diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/CommunicationServiceManagementClient.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/CommunicationServiceManagementClient.cs
new file mode 100644
index 0000000000000..253cbedd343b2
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/CommunicationServiceManagementClient.cs
@@ -0,0 +1,374 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Microsoft.Rest.Serialization;
+    using Models;
+    using Newtonsoft.Json;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Linq;
+    using System.Net;
+    using System.Net.Http;
+
+    /// <summary>
+    /// REST API for Azure Communication Services
+    /// </summary>
+    public partial class CommunicationServiceManagementClient : ServiceClient<CommunicationServiceManagementClient>, ICommunicationServiceManagementClient, IAzureClient
+    {
+        /// <summary>
+        /// The base URI of the service.
+        /// </summary>
+        public System.Uri BaseUri { get; set; }
+
+        /// <summary>
+        /// Gets or sets json serialization settings.
+        /// </summary>
+        public JsonSerializerSettings SerializationSettings { get; private set; }
+
+        /// <summary>
+        /// Gets or sets json deserialization settings.
+        /// </summary>
+        public JsonSerializerSettings DeserializationSettings { get; private set; }
+
+        /// <summary>
+        /// Credentials needed for the client to connect to Azure.
+        /// </summary>
+        public ServiceClientCredentials Credentials { get; private set; }
+
+        /// <summary>
+        /// Client Api Version.
+        /// </summary>
+        public string ApiVersion { get; private set; }
+
+        /// <summary>
+        /// Gets subscription ID which uniquely identifies the Microsoft Azure
+        /// subscription. The subscription ID forms part of the URI for every service
+        /// call.
+        /// </summary>
+        public string SubscriptionId { get; set; }
+
+        /// <summary>
+        /// The preferred language for the response.
+        /// </summary>
+        public string AcceptLanguage { get; set; }
+
+        /// <summary>
+        /// The retry timeout in seconds for Long Running Operations. Default value is
+        /// 30.
+        /// </summary>
+        public int? LongRunningOperationRetryTimeout { get; set; }
+
+        /// <summary>
+        /// Whether a unique x-ms-client-request-id should be generated. When set to
+        /// true a unique x-ms-client-request-id value is generated and included in
+        /// each request. Default is true.
+        /// </summary>
+        public bool? GenerateClientRequestId { get; set; }
+
+        /// <summary>
+        /// Gets the IOperations.
+        /// </summary>
+        public virtual IOperations Operations { get; private set; }
+
+        /// <summary>
+        /// Gets the ICommunicationServiceOperations.
+        /// </summary>
+        public virtual ICommunicationServiceOperations CommunicationService { get; private set; }
+
+        /// <summary>
+        /// Gets the IOperationStatusesOperations.
+        /// </summary>
+        public virtual IOperationStatusesOperations OperationStatuses { get; private set; }
+
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceManagementClient class.
+        /// </summary>
+        /// <param name='httpClient'>
+        /// HttpClient to be used
+        /// </param>
+        /// <param name='disposeHttpClient'>
+        /// True: will dispose the provided httpClient on calling CommunicationServiceManagementClient.Dispose(). False: will not dispose provided httpClient</param>
+        protected CommunicationServiceManagementClient(HttpClient httpClient, bool disposeHttpClient) : base(httpClient, disposeHttpClient)
+        {
+            Initialize();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceManagementClient class.
+        /// </summary>
+        /// <param name='handlers'>
+        /// Optional. The delegating handlers to add to the http client pipeline.
+        /// </param>
+        protected CommunicationServiceManagementClient(params DelegatingHandler[] handlers) : base(handlers)
+        {
+            Initialize();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceManagementClient class.
+        /// </summary>
+        /// <param name='rootHandler'>
+        /// Optional. The http client handler used to handle http transport.
+        /// </param>
+        /// <param name='handlers'>
+        /// Optional. The delegating handlers to add to the http client pipeline.
+        /// </param>
+        protected CommunicationServiceManagementClient(HttpClientHandler rootHandler, params DelegatingHandler[] handlers) : base(rootHandler, handlers)
+        {
+            Initialize();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceManagementClient class.
+        /// </summary>
+        /// <param name='baseUri'>
+        /// Optional. The base URI of the service.
+        /// </param>
+        /// <param name='handlers'>
+        /// Optional. The delegating handlers to add to the http client pipeline.
+        /// </param>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        protected CommunicationServiceManagementClient(System.Uri baseUri, params DelegatingHandler[] handlers) : this(handlers)
+        {
+            if (baseUri == null)
+            {
+                throw new System.ArgumentNullException("baseUri");
+            }
+            BaseUri = baseUri;
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceManagementClient class.
+        /// </summary>
+        /// <param name='baseUri'>
+        /// Optional. The base URI of the service.
+        /// </param>
+        /// <param name='rootHandler'>
+        /// Optional. The http client handler used to handle http transport.
+        /// </param>
+        /// <param name='handlers'>
+        /// Optional. The delegating handlers to add to the http client pipeline.
+        /// </param>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        protected CommunicationServiceManagementClient(System.Uri baseUri, HttpClientHandler rootHandler, params DelegatingHandler[] handlers) : this(rootHandler, handlers)
+        {
+            if (baseUri == null)
+            {
+                throw new System.ArgumentNullException("baseUri");
+            }
+            BaseUri = baseUri;
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceManagementClient class.
+        /// </summary>
+        /// <param name='credentials'>
+        /// Required. Credentials needed for the client to connect to Azure.
+        /// </param>
+        /// <param name='handlers'>
+        /// Optional. The delegating handlers to add to the http client pipeline.
+        /// </param>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        public CommunicationServiceManagementClient(ServiceClientCredentials credentials, params DelegatingHandler[] handlers) : this(handlers)
+        {
+            if (credentials == null)
+            {
+                throw new System.ArgumentNullException("credentials");
+            }
+            Credentials = credentials;
+            if (Credentials != null)
+            {
+                Credentials.InitializeServiceClient(this);
+            }
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceManagementClient class.
+        /// </summary>
+        /// <param name='credentials'>
+        /// Required. Credentials needed for the client to connect to Azure.
+        /// </param>
+        /// <param name='httpClient'>
+        /// HttpClient to be used
+        /// </param>
+        /// <param name='disposeHttpClient'>
+        /// True: will dispose the provided httpClient on calling CommunicationServiceManagementClient.Dispose(). False: will not dispose provided httpClient</param>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        public CommunicationServiceManagementClient(ServiceClientCredentials credentials, HttpClient httpClient, bool disposeHttpClient) : this(httpClient, disposeHttpClient)
+        {
+            if (credentials == null)
+            {
+                throw new System.ArgumentNullException("credentials");
+            }
+            Credentials = credentials;
+            if (Credentials != null)
+            {
+                Credentials.InitializeServiceClient(this);
+            }
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceManagementClient class.
+        /// </summary>
+        /// <param name='credentials'>
+        /// Required. Credentials needed for the client to connect to Azure.
+        /// </param>
+        /// <param name='rootHandler'>
+        /// Optional. The http client handler used to handle http transport.
+        /// </param>
+        /// <param name='handlers'>
+        /// Optional. The delegating handlers to add to the http client pipeline.
+        /// </param>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        public CommunicationServiceManagementClient(ServiceClientCredentials credentials, HttpClientHandler rootHandler, params DelegatingHandler[] handlers) : this(rootHandler, handlers)
+        {
+            if (credentials == null)
+            {
+                throw new System.ArgumentNullException("credentials");
+            }
+            Credentials = credentials;
+            if (Credentials != null)
+            {
+                Credentials.InitializeServiceClient(this);
+            }
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceManagementClient class.
+        /// </summary>
+        /// <param name='baseUri'>
+        /// Optional. The base URI of the service.
+        /// </param>
+        /// <param name='credentials'>
+        /// Required. Credentials needed for the client to connect to Azure.
+        /// </param>
+        /// <param name='handlers'>
+        /// Optional. The delegating handlers to add to the http client pipeline.
+        /// </param>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        public CommunicationServiceManagementClient(System.Uri baseUri, ServiceClientCredentials credentials, params DelegatingHandler[] handlers) : this(handlers)
+        {
+            if (baseUri == null)
+            {
+                throw new System.ArgumentNullException("baseUri");
+            }
+            if (credentials == null)
+            {
+                throw new System.ArgumentNullException("credentials");
+            }
+            BaseUri = baseUri;
+            Credentials = credentials;
+            if (Credentials != null)
+            {
+                Credentials.InitializeServiceClient(this);
+            }
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceManagementClient class.
+        /// </summary>
+        /// <param name='baseUri'>
+        /// Optional. The base URI of the service.
+        /// </param>
+        /// <param name='credentials'>
+        /// Required. Credentials needed for the client to connect to Azure.
+        /// </param>
+        /// <param name='rootHandler'>
+        /// Optional. The http client handler used to handle http transport.
+        /// </param>
+        /// <param name='handlers'>
+        /// Optional. The delegating handlers to add to the http client pipeline.
+        /// </param>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        public CommunicationServiceManagementClient(System.Uri baseUri, ServiceClientCredentials credentials, HttpClientHandler rootHandler, params DelegatingHandler[] handlers) : this(rootHandler, handlers)
+        {
+            if (baseUri == null)
+            {
+                throw new System.ArgumentNullException("baseUri");
+            }
+            if (credentials == null)
+            {
+                throw new System.ArgumentNullException("credentials");
+            }
+            BaseUri = baseUri;
+            Credentials = credentials;
+            if (Credentials != null)
+            {
+                Credentials.InitializeServiceClient(this);
+            }
+        }
+
+        /// <summary>
+        /// An optional partial-method to perform custom initialization.
+        /// </summary>
+        partial void CustomInitialize();
+        /// <summary>
+        /// Initializes client properties.
+        /// </summary>
+        private void Initialize()
+        {
+            Operations = new Operations(this);
+            CommunicationService = new CommunicationServiceOperations(this);
+            OperationStatuses = new OperationStatusesOperations(this);
+            BaseUri = new System.Uri("https://management.azure.com");
+            ApiVersion = "2020-08-20-preview";
+            AcceptLanguage = "en-US";
+            LongRunningOperationRetryTimeout = 30;
+            GenerateClientRequestId = true;
+            SerializationSettings = new JsonSerializerSettings
+            {
+                Formatting = Newtonsoft.Json.Formatting.Indented,
+                DateFormatHandling = Newtonsoft.Json.DateFormatHandling.IsoDateFormat,
+                DateTimeZoneHandling = Newtonsoft.Json.DateTimeZoneHandling.Utc,
+                NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore,
+                ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Serialize,
+                ContractResolver = new ReadOnlyJsonContractResolver(),
+                Converters = new List<JsonConverter>
+                    {
+                        new Iso8601TimeSpanConverter()
+                    }
+            };
+            SerializationSettings.Converters.Add(new TransformationJsonConverter());
+            DeserializationSettings = new JsonSerializerSettings
+            {
+                DateFormatHandling = Newtonsoft.Json.DateFormatHandling.IsoDateFormat,
+                DateTimeZoneHandling = Newtonsoft.Json.DateTimeZoneHandling.Utc,
+                NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore,
+                ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Serialize,
+                ContractResolver = new ReadOnlyJsonContractResolver(),
+                Converters = new List<JsonConverter>
+                    {
+                        new Iso8601TimeSpanConverter()
+                    }
+            };
+            CustomInitialize();
+            DeserializationSettings.Converters.Add(new TransformationJsonConverter());
+            DeserializationSettings.Converters.Add(new CloudErrorJsonConverter());
+        }
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/CommunicationServiceOperations.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/CommunicationServiceOperations.cs
new file mode 100644
index 0000000000000..33406b077c585
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/CommunicationServiceOperations.cs
@@ -0,0 +1,2424 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Models;
+    using Newtonsoft.Json;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Linq;
+    using System.Net;
+    using System.Net.Http;
+    using System.Threading;
+    using System.Threading.Tasks;
+
+    /// <summary>
+    /// CommunicationServiceOperations operations.
+    /// </summary>
+    internal partial class CommunicationServiceOperations : IServiceOperations<CommunicationServiceManagementClient>, ICommunicationServiceOperations
+    {
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceOperations class.
+        /// </summary>
+        /// <param name='client'>
+        /// Reference to the service client.
+        /// </param>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        internal CommunicationServiceOperations(CommunicationServiceManagementClient client)
+        {
+            if (client == null)
+            {
+                throw new System.ArgumentNullException("client");
+            }
+            Client = client;
+        }
+
+        /// <summary>
+        /// Gets a reference to the CommunicationServiceManagementClient
+        /// </summary>
+        public CommunicationServiceManagementClient Client { get; private set; }
+
+        /// <summary>
+        /// Check Name Availability
+        /// </summary>
+        /// <remarks>
+        /// Checks that the CommunicationService name is valid and is not already in
+        /// use.
+        /// </remarks>
+        /// <param name='nameAvailabilityParameters'>
+        /// Parameters supplied to the operation.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<NameAvailability>> CheckNameAvailabilityWithHttpMessagesAsync(NameAvailabilityParameters nameAvailabilityParameters = default(NameAvailabilityParameters), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Client.SubscriptionId == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.SubscriptionId");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("nameAvailabilityParameters", nameAvailabilityParameters);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "CheckNameAvailability", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = Client.BaseUri.AbsoluteUri;
+            var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "subscriptions/{subscriptionId}/providers/Microsoft.Communication/checkNameAvailability").ToString();
+            _url = _url.Replace("{subscriptionId}", System.Uri.EscapeDataString(Client.SubscriptionId));
+            List<string> _queryParameters = new List<string>();
+            if (Client.ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(Client.ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("POST");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            if(nameAvailabilityParameters != null)
+            {
+                _requestContent = Rest.Serialization.SafeJsonConvert.SerializeObject(nameAvailabilityParameters, Client.SerializationSettings);
+                _httpRequest.Content = new StringContent(_requestContent, System.Text.Encoding.UTF8);
+                _httpRequest.Content.Headers.ContentType =System.Net.Http.Headers.MediaTypeHeaderValue.Parse("application/json; charset=utf-8");
+            }
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorResponseException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    ErrorResponse _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorResponse>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<NameAvailability>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<NameAvailability>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Link Notification Hub
+        /// </summary>
+        /// <remarks>
+        /// Links an Azure Notification Hub to this communication service.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can obtain
+        /// this value from the Azure Resource Manager API or the portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='linkNotificationHubParameters'>
+        /// Parameters supplied to the operation.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<LinkedNotificationHub>> LinkNotificationHubWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, LinkNotificationHubParameters linkNotificationHubParameters = default(LinkNotificationHubParameters), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Client.SubscriptionId == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.SubscriptionId");
+            }
+            if (resourceGroupName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "resourceGroupName");
+            }
+            if (communicationServiceName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "communicationServiceName");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("linkNotificationHubParameters", linkNotificationHubParameters);
+                tracingParameters.Add("resourceGroupName", resourceGroupName);
+                tracingParameters.Add("communicationServiceName", communicationServiceName);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "LinkNotificationHub", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = Client.BaseUri.AbsoluteUri;
+            var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Communication/communicationServices/{communicationServiceName}/linkNotificationHub").ToString();
+            _url = _url.Replace("{subscriptionId}", System.Uri.EscapeDataString(Client.SubscriptionId));
+            _url = _url.Replace("{resourceGroupName}", System.Uri.EscapeDataString(resourceGroupName));
+            _url = _url.Replace("{communicationServiceName}", System.Uri.EscapeDataString(communicationServiceName));
+            List<string> _queryParameters = new List<string>();
+            if (Client.ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(Client.ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("POST");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            if(linkNotificationHubParameters != null)
+            {
+                _requestContent = Rest.Serialization.SafeJsonConvert.SerializeObject(linkNotificationHubParameters, Client.SerializationSettings);
+                _httpRequest.Content = new StringContent(_requestContent, System.Text.Encoding.UTF8);
+                _httpRequest.Content.Headers.ContentType =System.Net.Http.Headers.MediaTypeHeaderValue.Parse("application/json; charset=utf-8");
+            }
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorResponseException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    ErrorResponse _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorResponse>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<LinkedNotificationHub>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<LinkedNotificationHub>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// List By Subscription
+        /// </summary>
+        /// <remarks>
+        /// Handles requests to list all resources in a subscription.
+        /// </remarks>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<IPage<CommunicationServiceResource>>> ListBySubscriptionWithHttpMessagesAsync(Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Client.SubscriptionId == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.SubscriptionId");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "ListBySubscription", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = Client.BaseUri.AbsoluteUri;
+            var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "subscriptions/{subscriptionId}/providers/Microsoft.Communication/communicationServices").ToString();
+            _url = _url.Replace("{subscriptionId}", System.Uri.EscapeDataString(Client.SubscriptionId));
+            List<string> _queryParameters = new List<string>();
+            if (Client.ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(Client.ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorResponseException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    ErrorResponse _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorResponse>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<IPage<CommunicationServiceResource>>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<Page<CommunicationServiceResource>>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// List By Resource Group
+        /// </summary>
+        /// <remarks>
+        /// Handles requests to list all resources in a resource group.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can obtain
+        /// this value from the Azure Resource Manager API or the portal.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<IPage<CommunicationServiceResource>>> ListByResourceGroupWithHttpMessagesAsync(string resourceGroupName, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Client.SubscriptionId == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.SubscriptionId");
+            }
+            if (resourceGroupName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "resourceGroupName");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("resourceGroupName", resourceGroupName);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "ListByResourceGroup", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = Client.BaseUri.AbsoluteUri;
+            var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Communication/communicationServices").ToString();
+            _url = _url.Replace("{subscriptionId}", System.Uri.EscapeDataString(Client.SubscriptionId));
+            _url = _url.Replace("{resourceGroupName}", System.Uri.EscapeDataString(resourceGroupName));
+            List<string> _queryParameters = new List<string>();
+            if (Client.ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(Client.ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorResponseException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    ErrorResponse _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorResponse>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<IPage<CommunicationServiceResource>>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<Page<CommunicationServiceResource>>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Update
+        /// </summary>
+        /// <remarks>
+        /// Operation to update an existing CommunicationService.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can obtain
+        /// this value from the Azure Resource Manager API or the portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='tags'>
+        /// Tags of the service which is a list of key value pairs that describe the
+        /// resource.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<CommunicationServiceResource>> UpdateWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, IDictionary<string, string> tags = default(IDictionary<string, string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Client.SubscriptionId == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.SubscriptionId");
+            }
+            if (resourceGroupName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "resourceGroupName");
+            }
+            if (communicationServiceName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "communicationServiceName");
+            }
+            TaggedResource parameters = default(TaggedResource);
+            if (tags != null)
+            {
+                parameters = new TaggedResource();
+                parameters.Tags = tags;
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("resourceGroupName", resourceGroupName);
+                tracingParameters.Add("communicationServiceName", communicationServiceName);
+                tracingParameters.Add("parameters", parameters);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "Update", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = Client.BaseUri.AbsoluteUri;
+            var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Communication/communicationServices/{communicationServiceName}").ToString();
+            _url = _url.Replace("{subscriptionId}", System.Uri.EscapeDataString(Client.SubscriptionId));
+            _url = _url.Replace("{resourceGroupName}", System.Uri.EscapeDataString(resourceGroupName));
+            _url = _url.Replace("{communicationServiceName}", System.Uri.EscapeDataString(communicationServiceName));
+            List<string> _queryParameters = new List<string>();
+            if (Client.ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(Client.ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("PATCH");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            if(parameters != null)
+            {
+                _requestContent = Rest.Serialization.SafeJsonConvert.SerializeObject(parameters, Client.SerializationSettings);
+                _httpRequest.Content = new StringContent(_requestContent, System.Text.Encoding.UTF8);
+                _httpRequest.Content.Headers.ContentType =System.Net.Http.Headers.MediaTypeHeaderValue.Parse("application/json; charset=utf-8");
+            }
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorResponseException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    ErrorResponse _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorResponse>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<CommunicationServiceResource>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<CommunicationServiceResource>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Get
+        /// </summary>
+        /// <remarks>
+        /// Get the CommunicationService and its properties.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can obtain
+        /// this value from the Azure Resource Manager API or the portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<CommunicationServiceResource>> GetWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Client.SubscriptionId == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.SubscriptionId");
+            }
+            if (resourceGroupName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "resourceGroupName");
+            }
+            if (communicationServiceName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "communicationServiceName");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("resourceGroupName", resourceGroupName);
+                tracingParameters.Add("communicationServiceName", communicationServiceName);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "Get", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = Client.BaseUri.AbsoluteUri;
+            var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Communication/communicationServices/{communicationServiceName}").ToString();
+            _url = _url.Replace("{subscriptionId}", System.Uri.EscapeDataString(Client.SubscriptionId));
+            _url = _url.Replace("{resourceGroupName}", System.Uri.EscapeDataString(resourceGroupName));
+            _url = _url.Replace("{communicationServiceName}", System.Uri.EscapeDataString(communicationServiceName));
+            List<string> _queryParameters = new List<string>();
+            if (Client.ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(Client.ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorResponseException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    ErrorResponse _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorResponse>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<CommunicationServiceResource>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<CommunicationServiceResource>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Create Or Update
+        /// </summary>
+        /// <remarks>
+        /// Create a new CommunicationService or update an existing
+        /// CommunicationService.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can obtain
+        /// this value from the Azure Resource Manager API or the portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='parameters'>
+        /// Parameters for the create or update operation
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        public async Task<AzureOperationResponse<CommunicationServiceResource,CommunicationServiceCreateOrUpdateHeaders>> CreateOrUpdateWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, CommunicationServiceResource parameters = default(CommunicationServiceResource), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            // Send Request
+            AzureOperationResponse<CommunicationServiceResource,CommunicationServiceCreateOrUpdateHeaders> _response = await BeginCreateOrUpdateWithHttpMessagesAsync(resourceGroupName, communicationServiceName, parameters, customHeaders, cancellationToken).ConfigureAwait(false);
+            return await Client.GetPutOrPatchOperationResultAsync(_response, customHeaders, cancellationToken).ConfigureAwait(false);
+        }
+
+        /// <summary>
+        /// Delete
+        /// </summary>
+        /// <remarks>
+        /// Operation to delete a CommunicationService.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can obtain
+        /// this value from the Azure Resource Manager API or the portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        public async Task<AzureOperationHeaderResponse<CommunicationServiceDeleteHeaders>> DeleteWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            // Send request
+            AzureOperationHeaderResponse<CommunicationServiceDeleteHeaders> _response = await BeginDeleteWithHttpMessagesAsync(resourceGroupName, communicationServiceName, customHeaders, cancellationToken).ConfigureAwait(false);
+            return await Client.GetPostOrDeleteOperationResultAsync(_response, customHeaders, cancellationToken).ConfigureAwait(false);
+        }
+
+        /// <summary>
+        /// List Keys
+        /// </summary>
+        /// <remarks>
+        /// Get the access keys of the CommunicationService resource.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can obtain
+        /// this value from the Azure Resource Manager API or the portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<CommunicationServiceKeys>> ListKeysWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Client.SubscriptionId == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.SubscriptionId");
+            }
+            if (resourceGroupName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "resourceGroupName");
+            }
+            if (communicationServiceName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "communicationServiceName");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("resourceGroupName", resourceGroupName);
+                tracingParameters.Add("communicationServiceName", communicationServiceName);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "ListKeys", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = Client.BaseUri.AbsoluteUri;
+            var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Communication/communicationServices/{communicationServiceName}/listKeys").ToString();
+            _url = _url.Replace("{subscriptionId}", System.Uri.EscapeDataString(Client.SubscriptionId));
+            _url = _url.Replace("{resourceGroupName}", System.Uri.EscapeDataString(resourceGroupName));
+            _url = _url.Replace("{communicationServiceName}", System.Uri.EscapeDataString(communicationServiceName));
+            List<string> _queryParameters = new List<string>();
+            if (Client.ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(Client.ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("POST");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorResponseException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    ErrorResponse _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorResponse>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<CommunicationServiceKeys>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<CommunicationServiceKeys>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Regenerate Key
+        /// </summary>
+        /// <remarks>
+        /// Regenerate CommunicationService access key. PrimaryKey and SecondaryKey
+        /// cannot be regenerated at the same time.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can obtain
+        /// this value from the Azure Resource Manager API or the portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='keyType'>
+        /// The keyType to regenerate. Must be either 'primary' or
+        /// 'secondary'(case-insensitive). Possible values include: 'Primary',
+        /// 'Secondary'
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<CommunicationServiceKeys>> RegenerateKeyWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, KeyType? keyType = default(KeyType?), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Client.SubscriptionId == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.SubscriptionId");
+            }
+            if (resourceGroupName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "resourceGroupName");
+            }
+            if (communicationServiceName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "communicationServiceName");
+            }
+            RegenerateKeyParameters parameters = default(RegenerateKeyParameters);
+            if (keyType != null)
+            {
+                parameters = new RegenerateKeyParameters();
+                parameters.KeyType = keyType;
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("resourceGroupName", resourceGroupName);
+                tracingParameters.Add("communicationServiceName", communicationServiceName);
+                tracingParameters.Add("parameters", parameters);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "RegenerateKey", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = Client.BaseUri.AbsoluteUri;
+            var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Communication/communicationServices/{communicationServiceName}/regenerateKey").ToString();
+            _url = _url.Replace("{subscriptionId}", System.Uri.EscapeDataString(Client.SubscriptionId));
+            _url = _url.Replace("{resourceGroupName}", System.Uri.EscapeDataString(resourceGroupName));
+            _url = _url.Replace("{communicationServiceName}", System.Uri.EscapeDataString(communicationServiceName));
+            List<string> _queryParameters = new List<string>();
+            if (Client.ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(Client.ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("POST");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            if(parameters != null)
+            {
+                _requestContent = Rest.Serialization.SafeJsonConvert.SerializeObject(parameters, Client.SerializationSettings);
+                _httpRequest.Content = new StringContent(_requestContent, System.Text.Encoding.UTF8);
+                _httpRequest.Content.Headers.ContentType =System.Net.Http.Headers.MediaTypeHeaderValue.Parse("application/json; charset=utf-8");
+            }
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200 && (int)_statusCode != 201)
+            {
+                var ex = new ErrorResponseException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    ErrorResponse _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorResponse>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<CommunicationServiceKeys>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<CommunicationServiceKeys>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 201)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<CommunicationServiceKeys>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Create Or Update
+        /// </summary>
+        /// <remarks>
+        /// Create a new CommunicationService or update an existing
+        /// CommunicationService.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can obtain
+        /// this value from the Azure Resource Manager API or the portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='parameters'>
+        /// Parameters for the create or update operation
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<CommunicationServiceResource,CommunicationServiceCreateOrUpdateHeaders>> BeginCreateOrUpdateWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, CommunicationServiceResource parameters = default(CommunicationServiceResource), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Client.SubscriptionId == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.SubscriptionId");
+            }
+            if (resourceGroupName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "resourceGroupName");
+            }
+            if (communicationServiceName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "communicationServiceName");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("parameters", parameters);
+                tracingParameters.Add("resourceGroupName", resourceGroupName);
+                tracingParameters.Add("communicationServiceName", communicationServiceName);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "BeginCreateOrUpdate", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = Client.BaseUri.AbsoluteUri;
+            var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Communication/communicationServices/{communicationServiceName}").ToString();
+            _url = _url.Replace("{subscriptionId}", System.Uri.EscapeDataString(Client.SubscriptionId));
+            _url = _url.Replace("{resourceGroupName}", System.Uri.EscapeDataString(resourceGroupName));
+            _url = _url.Replace("{communicationServiceName}", System.Uri.EscapeDataString(communicationServiceName));
+            List<string> _queryParameters = new List<string>();
+            if (Client.ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(Client.ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("PUT");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            if(parameters != null)
+            {
+                _requestContent = Rest.Serialization.SafeJsonConvert.SerializeObject(parameters, Client.SerializationSettings);
+                _httpRequest.Content = new StringContent(_requestContent, System.Text.Encoding.UTF8);
+                _httpRequest.Content.Headers.ContentType =System.Net.Http.Headers.MediaTypeHeaderValue.Parse("application/json; charset=utf-8");
+            }
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200 && (int)_statusCode != 201)
+            {
+                var ex = new ErrorResponseException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    ErrorResponse _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorResponse>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<CommunicationServiceResource,CommunicationServiceCreateOrUpdateHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<CommunicationServiceResource>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 201)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<CommunicationServiceResource>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<CommunicationServiceCreateOrUpdateHeaders>(JsonSerializer.Create(Client.DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// Delete
+        /// </summary>
+        /// <remarks>
+        /// Operation to delete a CommunicationService.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can obtain
+        /// this value from the Azure Resource Manager API or the portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationHeaderResponse<CommunicationServiceDeleteHeaders>> BeginDeleteWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (Client.SubscriptionId == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "this.Client.SubscriptionId");
+            }
+            if (resourceGroupName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "resourceGroupName");
+            }
+            if (communicationServiceName == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "communicationServiceName");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("resourceGroupName", resourceGroupName);
+                tracingParameters.Add("communicationServiceName", communicationServiceName);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "BeginDelete", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = Client.BaseUri.AbsoluteUri;
+            var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Communication/communicationServices/{communicationServiceName}").ToString();
+            _url = _url.Replace("{subscriptionId}", System.Uri.EscapeDataString(Client.SubscriptionId));
+            _url = _url.Replace("{resourceGroupName}", System.Uri.EscapeDataString(resourceGroupName));
+            _url = _url.Replace("{communicationServiceName}", System.Uri.EscapeDataString(communicationServiceName));
+            List<string> _queryParameters = new List<string>();
+            if (Client.ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(Client.ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("DELETE");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200 && (int)_statusCode != 202 && (int)_statusCode != 204)
+            {
+                var ex = new ErrorResponseException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    ErrorResponse _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorResponse>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationHeaderResponse<CommunicationServiceDeleteHeaders>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            try
+            {
+                _result.Headers = _httpResponse.GetHeadersAsJson().ToObject<CommunicationServiceDeleteHeaders>(JsonSerializer.Create(Client.DeserializationSettings));
+            }
+            catch (JsonException ex)
+            {
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw new SerializationException("Unable to deserialize the headers.", _httpResponse.GetHeadersAsJson().ToString(), ex);
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// List By Subscription
+        /// </summary>
+        /// <remarks>
+        /// Handles requests to list all resources in a subscription.
+        /// </remarks>
+        /// <param name='nextPageLink'>
+        /// The NextLink from the previous successful call to List operation.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<IPage<CommunicationServiceResource>>> ListBySubscriptionNextWithHttpMessagesAsync(string nextPageLink, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (nextPageLink == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "nextPageLink");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("nextPageLink", nextPageLink);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "ListBySubscriptionNext", tracingParameters);
+            }
+            // Construct URL
+            string _url = "{nextLink}";
+            _url = _url.Replace("{nextLink}", nextPageLink);
+            List<string> _queryParameters = new List<string>();
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorResponseException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    ErrorResponse _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorResponse>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<IPage<CommunicationServiceResource>>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<Page<CommunicationServiceResource>>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// List By Resource Group
+        /// </summary>
+        /// <remarks>
+        /// Handles requests to list all resources in a resource group.
+        /// </remarks>
+        /// <param name='nextPageLink'>
+        /// The NextLink from the previous successful call to List operation.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<IPage<CommunicationServiceResource>>> ListByResourceGroupNextWithHttpMessagesAsync(string nextPageLink, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (nextPageLink == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "nextPageLink");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("nextPageLink", nextPageLink);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "ListByResourceGroupNext", tracingParameters);
+            }
+            // Construct URL
+            string _url = "{nextLink}";
+            _url = _url.Replace("{nextLink}", nextPageLink);
+            List<string> _queryParameters = new List<string>();
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorResponseException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    ErrorResponse _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorResponse>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<IPage<CommunicationServiceResource>>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<Page<CommunicationServiceResource>>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/CommunicationServiceOperationsExtensions.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/CommunicationServiceOperationsExtensions.cs
new file mode 100644
index 0000000000000..9403ced6afa1e
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/CommunicationServiceOperationsExtensions.cs
@@ -0,0 +1,699 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Models;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Threading;
+    using System.Threading.Tasks;
+
+    /// <summary>
+    /// Extension methods for CommunicationServiceOperations.
+    /// </summary>
+    public static partial class CommunicationServiceOperationsExtensions
+    {
+            /// <summary>
+            /// Check Name Availability
+            /// </summary>
+            /// <remarks>
+            /// Checks that the CommunicationService name is valid and is not already in
+            /// use.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='nameAvailabilityParameters'>
+            /// Parameters supplied to the operation.
+            /// </param>
+            public static NameAvailability CheckNameAvailability(this ICommunicationServiceOperations operations, NameAvailabilityParameters nameAvailabilityParameters = default(NameAvailabilityParameters))
+            {
+                return operations.CheckNameAvailabilityAsync(nameAvailabilityParameters).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// Check Name Availability
+            /// </summary>
+            /// <remarks>
+            /// Checks that the CommunicationService name is valid and is not already in
+            /// use.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='nameAvailabilityParameters'>
+            /// Parameters supplied to the operation.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<NameAvailability> CheckNameAvailabilityAsync(this ICommunicationServiceOperations operations, NameAvailabilityParameters nameAvailabilityParameters = default(NameAvailabilityParameters), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.CheckNameAvailabilityWithHttpMessagesAsync(nameAvailabilityParameters, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Link Notification Hub
+            /// </summary>
+            /// <remarks>
+            /// Links an Azure Notification Hub to this communication service.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            /// <param name='linkNotificationHubParameters'>
+            /// Parameters supplied to the operation.
+            /// </param>
+            public static LinkedNotificationHub LinkNotificationHub(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName, LinkNotificationHubParameters linkNotificationHubParameters = default(LinkNotificationHubParameters))
+            {
+                return operations.LinkNotificationHubAsync(resourceGroupName, communicationServiceName, linkNotificationHubParameters).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// Link Notification Hub
+            /// </summary>
+            /// <remarks>
+            /// Links an Azure Notification Hub to this communication service.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            /// <param name='linkNotificationHubParameters'>
+            /// Parameters supplied to the operation.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<LinkedNotificationHub> LinkNotificationHubAsync(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName, LinkNotificationHubParameters linkNotificationHubParameters = default(LinkNotificationHubParameters), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.LinkNotificationHubWithHttpMessagesAsync(resourceGroupName, communicationServiceName, linkNotificationHubParameters, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// List By Subscription
+            /// </summary>
+            /// <remarks>
+            /// Handles requests to list all resources in a subscription.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            public static IPage<CommunicationServiceResource> ListBySubscription(this ICommunicationServiceOperations operations)
+            {
+                return operations.ListBySubscriptionAsync().GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// List By Subscription
+            /// </summary>
+            /// <remarks>
+            /// Handles requests to list all resources in a subscription.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<IPage<CommunicationServiceResource>> ListBySubscriptionAsync(this ICommunicationServiceOperations operations, CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.ListBySubscriptionWithHttpMessagesAsync(null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// List By Resource Group
+            /// </summary>
+            /// <remarks>
+            /// Handles requests to list all resources in a resource group.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            public static IPage<CommunicationServiceResource> ListByResourceGroup(this ICommunicationServiceOperations operations, string resourceGroupName)
+            {
+                return operations.ListByResourceGroupAsync(resourceGroupName).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// List By Resource Group
+            /// </summary>
+            /// <remarks>
+            /// Handles requests to list all resources in a resource group.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<IPage<CommunicationServiceResource>> ListByResourceGroupAsync(this ICommunicationServiceOperations operations, string resourceGroupName, CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.ListByResourceGroupWithHttpMessagesAsync(resourceGroupName, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Update
+            /// </summary>
+            /// <remarks>
+            /// Operation to update an existing CommunicationService.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            /// <param name='tags'>
+            /// Tags of the service which is a list of key value pairs that describe the
+            /// resource.
+            /// </param>
+            public static CommunicationServiceResource Update(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName, IDictionary<string, string> tags = default(IDictionary<string, string>))
+            {
+                return operations.UpdateAsync(resourceGroupName, communicationServiceName, tags).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// Update
+            /// </summary>
+            /// <remarks>
+            /// Operation to update an existing CommunicationService.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            /// <param name='tags'>
+            /// Tags of the service which is a list of key value pairs that describe the
+            /// resource.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<CommunicationServiceResource> UpdateAsync(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName, IDictionary<string, string> tags = default(IDictionary<string, string>), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.UpdateWithHttpMessagesAsync(resourceGroupName, communicationServiceName, tags, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Get
+            /// </summary>
+            /// <remarks>
+            /// Get the CommunicationService and its properties.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            public static CommunicationServiceResource Get(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName)
+            {
+                return operations.GetAsync(resourceGroupName, communicationServiceName).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// Get
+            /// </summary>
+            /// <remarks>
+            /// Get the CommunicationService and its properties.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<CommunicationServiceResource> GetAsync(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName, CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.GetWithHttpMessagesAsync(resourceGroupName, communicationServiceName, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Create Or Update
+            /// </summary>
+            /// <remarks>
+            /// Create a new CommunicationService or update an existing
+            /// CommunicationService.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            /// <param name='parameters'>
+            /// Parameters for the create or update operation
+            /// </param>
+            public static CommunicationServiceResource CreateOrUpdate(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName, CommunicationServiceResource parameters = default(CommunicationServiceResource))
+            {
+                return operations.CreateOrUpdateAsync(resourceGroupName, communicationServiceName, parameters).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// Create Or Update
+            /// </summary>
+            /// <remarks>
+            /// Create a new CommunicationService or update an existing
+            /// CommunicationService.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            /// <param name='parameters'>
+            /// Parameters for the create or update operation
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<CommunicationServiceResource> CreateOrUpdateAsync(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName, CommunicationServiceResource parameters = default(CommunicationServiceResource), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.CreateOrUpdateWithHttpMessagesAsync(resourceGroupName, communicationServiceName, parameters, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Delete
+            /// </summary>
+            /// <remarks>
+            /// Operation to delete a CommunicationService.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            public static CommunicationServiceDeleteHeaders Delete(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName)
+            {
+                return operations.DeleteAsync(resourceGroupName, communicationServiceName).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// Delete
+            /// </summary>
+            /// <remarks>
+            /// Operation to delete a CommunicationService.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<CommunicationServiceDeleteHeaders> DeleteAsync(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName, CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.DeleteWithHttpMessagesAsync(resourceGroupName, communicationServiceName, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Headers;
+                }
+            }
+
+            /// <summary>
+            /// List Keys
+            /// </summary>
+            /// <remarks>
+            /// Get the access keys of the CommunicationService resource.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            public static CommunicationServiceKeys ListKeys(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName)
+            {
+                return operations.ListKeysAsync(resourceGroupName, communicationServiceName).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// List Keys
+            /// </summary>
+            /// <remarks>
+            /// Get the access keys of the CommunicationService resource.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<CommunicationServiceKeys> ListKeysAsync(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName, CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.ListKeysWithHttpMessagesAsync(resourceGroupName, communicationServiceName, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Regenerate Key
+            /// </summary>
+            /// <remarks>
+            /// Regenerate CommunicationService access key. PrimaryKey and SecondaryKey
+            /// cannot be regenerated at the same time.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            /// <param name='keyType'>
+            /// The keyType to regenerate. Must be either 'primary' or
+            /// 'secondary'(case-insensitive). Possible values include: 'Primary',
+            /// 'Secondary'
+            /// </param>
+            public static CommunicationServiceKeys RegenerateKey(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName, KeyType? keyType = default(KeyType?))
+            {
+                return operations.RegenerateKeyAsync(resourceGroupName, communicationServiceName, keyType).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// Regenerate Key
+            /// </summary>
+            /// <remarks>
+            /// Regenerate CommunicationService access key. PrimaryKey and SecondaryKey
+            /// cannot be regenerated at the same time.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            /// <param name='keyType'>
+            /// The keyType to regenerate. Must be either 'primary' or
+            /// 'secondary'(case-insensitive). Possible values include: 'Primary',
+            /// 'Secondary'
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<CommunicationServiceKeys> RegenerateKeyAsync(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName, KeyType? keyType = default(KeyType?), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.RegenerateKeyWithHttpMessagesAsync(resourceGroupName, communicationServiceName, keyType, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Create Or Update
+            /// </summary>
+            /// <remarks>
+            /// Create a new CommunicationService or update an existing
+            /// CommunicationService.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            /// <param name='parameters'>
+            /// Parameters for the create or update operation
+            /// </param>
+            public static CommunicationServiceResource BeginCreateOrUpdate(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName, CommunicationServiceResource parameters = default(CommunicationServiceResource))
+            {
+                return operations.BeginCreateOrUpdateAsync(resourceGroupName, communicationServiceName, parameters).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// Create Or Update
+            /// </summary>
+            /// <remarks>
+            /// Create a new CommunicationService or update an existing
+            /// CommunicationService.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            /// <param name='parameters'>
+            /// Parameters for the create or update operation
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<CommunicationServiceResource> BeginCreateOrUpdateAsync(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName, CommunicationServiceResource parameters = default(CommunicationServiceResource), CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.BeginCreateOrUpdateWithHttpMessagesAsync(resourceGroupName, communicationServiceName, parameters, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// Delete
+            /// </summary>
+            /// <remarks>
+            /// Operation to delete a CommunicationService.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            public static CommunicationServiceDeleteHeaders BeginDelete(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName)
+            {
+                return operations.BeginDeleteAsync(resourceGroupName, communicationServiceName).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// Delete
+            /// </summary>
+            /// <remarks>
+            /// Operation to delete a CommunicationService.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='resourceGroupName'>
+            /// The name of the resource group that contains the resource. You can obtain
+            /// this value from the Azure Resource Manager API or the portal.
+            /// </param>
+            /// <param name='communicationServiceName'>
+            /// The name of the CommunicationService resource.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<CommunicationServiceDeleteHeaders> BeginDeleteAsync(this ICommunicationServiceOperations operations, string resourceGroupName, string communicationServiceName, CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.BeginDeleteWithHttpMessagesAsync(resourceGroupName, communicationServiceName, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Headers;
+                }
+            }
+
+            /// <summary>
+            /// List By Subscription
+            /// </summary>
+            /// <remarks>
+            /// Handles requests to list all resources in a subscription.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='nextPageLink'>
+            /// The NextLink from the previous successful call to List operation.
+            /// </param>
+            public static IPage<CommunicationServiceResource> ListBySubscriptionNext(this ICommunicationServiceOperations operations, string nextPageLink)
+            {
+                return operations.ListBySubscriptionNextAsync(nextPageLink).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// List By Subscription
+            /// </summary>
+            /// <remarks>
+            /// Handles requests to list all resources in a subscription.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='nextPageLink'>
+            /// The NextLink from the previous successful call to List operation.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<IPage<CommunicationServiceResource>> ListBySubscriptionNextAsync(this ICommunicationServiceOperations operations, string nextPageLink, CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.ListBySubscriptionNextWithHttpMessagesAsync(nextPageLink, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// List By Resource Group
+            /// </summary>
+            /// <remarks>
+            /// Handles requests to list all resources in a resource group.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='nextPageLink'>
+            /// The NextLink from the previous successful call to List operation.
+            /// </param>
+            public static IPage<CommunicationServiceResource> ListByResourceGroupNext(this ICommunicationServiceOperations operations, string nextPageLink)
+            {
+                return operations.ListByResourceGroupNextAsync(nextPageLink).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// List By Resource Group
+            /// </summary>
+            /// <remarks>
+            /// Handles requests to list all resources in a resource group.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='nextPageLink'>
+            /// The NextLink from the previous successful call to List operation.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<IPage<CommunicationServiceResource>> ListByResourceGroupNextAsync(this ICommunicationServiceOperations operations, string nextPageLink, CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.ListByResourceGroupNextWithHttpMessagesAsync(nextPageLink, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/ICommunicationServiceManagementClient.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/ICommunicationServiceManagementClient.cs
new file mode 100644
index 0000000000000..92000003707ea
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/ICommunicationServiceManagementClient.cs
@@ -0,0 +1,90 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Models;
+    using Newtonsoft.Json;
+
+    /// <summary>
+    /// REST API for Azure Communication Services
+    /// </summary>
+    public partial interface ICommunicationServiceManagementClient : System.IDisposable
+    {
+        /// <summary>
+        /// The base URI of the service.
+        /// </summary>
+        System.Uri BaseUri { get; set; }
+
+        /// <summary>
+        /// Gets or sets json serialization settings.
+        /// </summary>
+        JsonSerializerSettings SerializationSettings { get; }
+
+        /// <summary>
+        /// Gets or sets json deserialization settings.
+        /// </summary>
+        JsonSerializerSettings DeserializationSettings { get; }
+
+        /// <summary>
+        /// Credentials needed for the client to connect to Azure.
+        /// </summary>
+        ServiceClientCredentials Credentials { get; }
+
+        /// <summary>
+        /// Client Api Version.
+        /// </summary>
+        string ApiVersion { get; }
+
+        /// <summary>
+        /// Gets subscription ID which uniquely identifies the Microsoft Azure
+        /// subscription. The subscription ID forms part of the URI for every
+        /// service call.
+        /// </summary>
+        string SubscriptionId { get; set; }
+
+        /// <summary>
+        /// The preferred language for the response.
+        /// </summary>
+        string AcceptLanguage { get; set; }
+
+        /// <summary>
+        /// The retry timeout in seconds for Long Running Operations. Default
+        /// value is 30.
+        /// </summary>
+        int? LongRunningOperationRetryTimeout { get; set; }
+
+        /// <summary>
+        /// Whether a unique x-ms-client-request-id should be generated. When
+        /// set to true a unique x-ms-client-request-id value is generated and
+        /// included in each request. Default is true.
+        /// </summary>
+        bool? GenerateClientRequestId { get; set; }
+
+
+        /// <summary>
+        /// Gets the IOperations.
+        /// </summary>
+        IOperations Operations { get; }
+
+        /// <summary>
+        /// Gets the ICommunicationServiceOperations.
+        /// </summary>
+        ICommunicationServiceOperations CommunicationService { get; }
+
+        /// <summary>
+        /// Gets the IOperationStatusesOperations.
+        /// </summary>
+        IOperationStatusesOperations OperationStatuses { get; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/ICommunicationServiceOperations.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/ICommunicationServiceOperations.cs
new file mode 100644
index 0000000000000..ea37bcfd589cc
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/ICommunicationServiceOperations.cs
@@ -0,0 +1,437 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Models;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Threading;
+    using System.Threading.Tasks;
+
+    /// <summary>
+    /// CommunicationServiceOperations operations.
+    /// </summary>
+    public partial interface ICommunicationServiceOperations
+    {
+        /// <summary>
+        /// Check Name Availability
+        /// </summary>
+        /// <remarks>
+        /// Checks that the CommunicationService name is valid and is not
+        /// already in use.
+        /// </remarks>
+        /// <param name='nameAvailabilityParameters'>
+        /// Parameters supplied to the operation.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<NameAvailability>> CheckNameAvailabilityWithHttpMessagesAsync(NameAvailabilityParameters nameAvailabilityParameters = default(NameAvailabilityParameters), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        /// <summary>
+        /// Link Notification Hub
+        /// </summary>
+        /// <remarks>
+        /// Links an Azure Notification Hub to this communication service.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can
+        /// obtain this value from the Azure Resource Manager API or the
+        /// portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='linkNotificationHubParameters'>
+        /// Parameters supplied to the operation.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<LinkedNotificationHub>> LinkNotificationHubWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, LinkNotificationHubParameters linkNotificationHubParameters = default(LinkNotificationHubParameters), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        /// <summary>
+        /// List By Subscription
+        /// </summary>
+        /// <remarks>
+        /// Handles requests to list all resources in a subscription.
+        /// </remarks>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<IPage<CommunicationServiceResource>>> ListBySubscriptionWithHttpMessagesAsync(Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        /// <summary>
+        /// List By Resource Group
+        /// </summary>
+        /// <remarks>
+        /// Handles requests to list all resources in a resource group.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can
+        /// obtain this value from the Azure Resource Manager API or the
+        /// portal.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<IPage<CommunicationServiceResource>>> ListByResourceGroupWithHttpMessagesAsync(string resourceGroupName, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        /// <summary>
+        /// Update
+        /// </summary>
+        /// <remarks>
+        /// Operation to update an existing CommunicationService.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can
+        /// obtain this value from the Azure Resource Manager API or the
+        /// portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='tags'>
+        /// Tags of the service which is a list of key value pairs that
+        /// describe the resource.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<CommunicationServiceResource>> UpdateWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, IDictionary<string, string> tags = default(IDictionary<string, string>), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        /// <summary>
+        /// Get
+        /// </summary>
+        /// <remarks>
+        /// Get the CommunicationService and its properties.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can
+        /// obtain this value from the Azure Resource Manager API or the
+        /// portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<CommunicationServiceResource>> GetWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        /// <summary>
+        /// Create Or Update
+        /// </summary>
+        /// <remarks>
+        /// Create a new CommunicationService or update an existing
+        /// CommunicationService.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can
+        /// obtain this value from the Azure Resource Manager API or the
+        /// portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='parameters'>
+        /// Parameters for the create or update operation
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<CommunicationServiceResource,CommunicationServiceCreateOrUpdateHeaders>> CreateOrUpdateWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, CommunicationServiceResource parameters = default(CommunicationServiceResource), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        /// <summary>
+        /// Delete
+        /// </summary>
+        /// <remarks>
+        /// Operation to delete a CommunicationService.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can
+        /// obtain this value from the Azure Resource Manager API or the
+        /// portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationHeaderResponse<CommunicationServiceDeleteHeaders>> DeleteWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        /// <summary>
+        /// List Keys
+        /// </summary>
+        /// <remarks>
+        /// Get the access keys of the CommunicationService resource.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can
+        /// obtain this value from the Azure Resource Manager API or the
+        /// portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<CommunicationServiceKeys>> ListKeysWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        /// <summary>
+        /// Regenerate Key
+        /// </summary>
+        /// <remarks>
+        /// Regenerate CommunicationService access key. PrimaryKey and
+        /// SecondaryKey cannot be regenerated at the same time.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can
+        /// obtain this value from the Azure Resource Manager API or the
+        /// portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='keyType'>
+        /// The keyType to regenerate. Must be either 'primary' or
+        /// 'secondary'(case-insensitive). Possible values include: 'Primary',
+        /// 'Secondary'
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<CommunicationServiceKeys>> RegenerateKeyWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, KeyType? keyType = default(KeyType?), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        /// <summary>
+        /// Create Or Update
+        /// </summary>
+        /// <remarks>
+        /// Create a new CommunicationService or update an existing
+        /// CommunicationService.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can
+        /// obtain this value from the Azure Resource Manager API or the
+        /// portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='parameters'>
+        /// Parameters for the create or update operation
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<CommunicationServiceResource,CommunicationServiceCreateOrUpdateHeaders>> BeginCreateOrUpdateWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, CommunicationServiceResource parameters = default(CommunicationServiceResource), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        /// <summary>
+        /// Delete
+        /// </summary>
+        /// <remarks>
+        /// Operation to delete a CommunicationService.
+        /// </remarks>
+        /// <param name='resourceGroupName'>
+        /// The name of the resource group that contains the resource. You can
+        /// obtain this value from the Azure Resource Manager API or the
+        /// portal.
+        /// </param>
+        /// <param name='communicationServiceName'>
+        /// The name of the CommunicationService resource.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationHeaderResponse<CommunicationServiceDeleteHeaders>> BeginDeleteWithHttpMessagesAsync(string resourceGroupName, string communicationServiceName, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        /// <summary>
+        /// List By Subscription
+        /// </summary>
+        /// <remarks>
+        /// Handles requests to list all resources in a subscription.
+        /// </remarks>
+        /// <param name='nextPageLink'>
+        /// The NextLink from the previous successful call to List operation.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<IPage<CommunicationServiceResource>>> ListBySubscriptionNextWithHttpMessagesAsync(string nextPageLink, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        /// <summary>
+        /// List By Resource Group
+        /// </summary>
+        /// <remarks>
+        /// Handles requests to list all resources in a resource group.
+        /// </remarks>
+        /// <param name='nextPageLink'>
+        /// The NextLink from the previous successful call to List operation.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<IPage<CommunicationServiceResource>>> ListByResourceGroupNextWithHttpMessagesAsync(string nextPageLink, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/IOperationStatusesOperations.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/IOperationStatusesOperations.cs
new file mode 100644
index 0000000000000..70d8a6bc535fe
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/IOperationStatusesOperations.cs
@@ -0,0 +1,55 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Models;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Threading;
+    using System.Threading.Tasks;
+
+    /// <summary>
+    /// OperationStatusesOperations operations.
+    /// </summary>
+    public partial interface IOperationStatusesOperations
+    {
+        /// <summary>
+        /// Get Operation Status
+        /// </summary>
+        /// <remarks>
+        /// Gets the current status of an async operation.
+        /// </remarks>
+        /// <param name='location'>
+        /// The Azure region
+        /// </param>
+        /// <param name='operationId'>
+        /// The ID of an ongoing async operation
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<OperationStatus>> GetWithHttpMessagesAsync(string location, string operationId, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/IOperations.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/IOperations.cs
new file mode 100644
index 0000000000000..5b3aa896edf54
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/IOperations.cs
@@ -0,0 +1,76 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Models;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Threading;
+    using System.Threading.Tasks;
+
+    /// <summary>
+    /// Operations operations.
+    /// </summary>
+    public partial interface IOperations
+    {
+        /// <summary>
+        /// List Operations
+        /// </summary>
+        /// <remarks>
+        /// Lists all of the available REST API operations of the
+        /// Microsoft.Communication provider.
+        /// </remarks>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<IPage<Operation>>> ListWithHttpMessagesAsync(Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+        /// <summary>
+        /// List Operations
+        /// </summary>
+        /// <remarks>
+        /// Lists all of the available REST API operations of the
+        /// Microsoft.Communication provider.
+        /// </remarks>
+        /// <param name='nextPageLink'>
+        /// The NextLink from the previous successful call to List operation.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// The headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="Microsoft.Rest.ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        Task<AzureOperationResponse<IPage<Operation>>> ListNextWithHttpMessagesAsync(string nextPageLink, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken));
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/AggregationType.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/AggregationType.cs
new file mode 100644
index 0000000000000..5bea4d29776c0
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/AggregationType.cs
@@ -0,0 +1,25 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+
+    /// <summary>
+    /// Defines values for AggregationType.
+    /// </summary>
+    public static class AggregationType
+    {
+        public const string Average = "Average";
+        public const string Minimum = "Minimum";
+        public const string Maximum = "Maximum";
+        public const string Total = "Total";
+        public const string Count = "Count";
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/CommunicationServiceCreateOrUpdateHeaders.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/CommunicationServiceCreateOrUpdateHeaders.cs
new file mode 100644
index 0000000000000..04f1c11d8588a
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/CommunicationServiceCreateOrUpdateHeaders.cs
@@ -0,0 +1,54 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Defines headers for CreateOrUpdate operation.
+    /// </summary>
+    public partial class CommunicationServiceCreateOrUpdateHeaders
+    {
+        /// <summary>
+        /// Initializes a new instance of the
+        /// CommunicationServiceCreateOrUpdateHeaders class.
+        /// </summary>
+        public CommunicationServiceCreateOrUpdateHeaders()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the
+        /// CommunicationServiceCreateOrUpdateHeaders class.
+        /// </summary>
+        /// <param name="azureAsyncOperation">URL to query for status of the
+        /// operation.</param>
+        public CommunicationServiceCreateOrUpdateHeaders(string azureAsyncOperation = default(string))
+        {
+            AzureAsyncOperation = azureAsyncOperation;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets URL to query for status of the operation.
+        /// </summary>
+        [JsonProperty(PropertyName = "Azure-AsyncOperation")]
+        public string AzureAsyncOperation { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/CommunicationServiceDeleteHeaders.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/CommunicationServiceDeleteHeaders.cs
new file mode 100644
index 0000000000000..dce92178ad888
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/CommunicationServiceDeleteHeaders.cs
@@ -0,0 +1,54 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Defines headers for Delete operation.
+    /// </summary>
+    public partial class CommunicationServiceDeleteHeaders
+    {
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceDeleteHeaders
+        /// class.
+        /// </summary>
+        public CommunicationServiceDeleteHeaders()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceDeleteHeaders
+        /// class.
+        /// </summary>
+        /// <param name="location">URL to query for status of the
+        /// operation.</param>
+        public CommunicationServiceDeleteHeaders(string location = default(string))
+        {
+            Location = location;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets URL to query for status of the operation.
+        /// </summary>
+        [JsonProperty(PropertyName = "location")]
+        public string Location { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/CommunicationServiceKeys.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/CommunicationServiceKeys.cs
new file mode 100644
index 0000000000000..a683d68fa2edc
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/CommunicationServiceKeys.cs
@@ -0,0 +1,79 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// A class representing the access keys of a CommunicationService.
+    /// </summary>
+    public partial class CommunicationServiceKeys
+    {
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceKeys class.
+        /// </summary>
+        public CommunicationServiceKeys()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceKeys class.
+        /// </summary>
+        /// <param name="primaryKey">The primary access key.</param>
+        /// <param name="secondaryKey">The secondary access key.</param>
+        /// <param name="primaryConnectionString">CommunicationService
+        /// connection string constructed via the primaryKey</param>
+        /// <param name="secondaryConnectionString">CommunicationService
+        /// connection string constructed via the secondaryKey</param>
+        public CommunicationServiceKeys(string primaryKey = default(string), string secondaryKey = default(string), string primaryConnectionString = default(string), string secondaryConnectionString = default(string))
+        {
+            PrimaryKey = primaryKey;
+            SecondaryKey = secondaryKey;
+            PrimaryConnectionString = primaryConnectionString;
+            SecondaryConnectionString = secondaryConnectionString;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets the primary access key.
+        /// </summary>
+        [JsonProperty(PropertyName = "primaryKey")]
+        public string PrimaryKey { get; set; }
+
+        /// <summary>
+        /// Gets or sets the secondary access key.
+        /// </summary>
+        [JsonProperty(PropertyName = "secondaryKey")]
+        public string SecondaryKey { get; set; }
+
+        /// <summary>
+        /// Gets or sets communicationService connection string constructed via
+        /// the primaryKey
+        /// </summary>
+        [JsonProperty(PropertyName = "primaryConnectionString")]
+        public string PrimaryConnectionString { get; set; }
+
+        /// <summary>
+        /// Gets or sets communicationService connection string constructed via
+        /// the secondaryKey
+        /// </summary>
+        [JsonProperty(PropertyName = "secondaryConnectionString")]
+        public string SecondaryConnectionString { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/CommunicationServiceResource.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/CommunicationServiceResource.cs
new file mode 100644
index 0000000000000..1f39f6889f9cc
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/CommunicationServiceResource.cs
@@ -0,0 +1,159 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Serialization;
+    using Newtonsoft.Json;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Linq;
+
+    /// <summary>
+    /// A class representing a CommunicationService resource.
+    /// </summary>
+    [Rest.Serialization.JsonTransformation]
+    public partial class CommunicationServiceResource
+    {
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceResource
+        /// class.
+        /// </summary>
+        public CommunicationServiceResource()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the CommunicationServiceResource
+        /// class.
+        /// </summary>
+        /// <param name="dataLocation">The location where the communication
+        /// service stores its data at rest.</param>
+        /// <param name="id">Fully qualified resource ID for the
+        /// resource.</param>
+        /// <param name="name">The name of the resource.</param>
+        /// <param name="type">The type of the service - e.g.
+        /// "Microsoft.Communication/CommunicationServices"</param>
+        /// <param name="location">The Azure location where the
+        /// CommunicationService is running.</param>
+        /// <param name="tags">Tags of the service which is a list of key value
+        /// pairs that describe the resource.</param>
+        /// <param name="provisioningState">Provisioning state of the resource.
+        /// Possible values include: 'Unknown', 'Succeeded', 'Failed',
+        /// 'Canceled', 'Running', 'Creating', 'Updating', 'Deleting',
+        /// 'Moving'</param>
+        /// <param name="hostName">FQDN of the CommunicationService
+        /// instance.</param>
+        /// <param name="notificationHubId">Resource ID of an Azure
+        /// Notification Hub linked to this resource.</param>
+        /// <param name="version">Version of the CommunicationService resource.
+        /// Probably you need the same or higher version of client
+        /// SDKs.</param>
+        /// <param name="immutableResourceId">The immutable resource Id of the
+        /// communication service.</param>
+        public CommunicationServiceResource(string dataLocation, string id = default(string), string name = default(string), string type = default(string), string location = default(string), IDictionary<string, string> tags = default(IDictionary<string, string>), string provisioningState = default(string), string hostName = default(string), string notificationHubId = default(string), string version = default(string), string immutableResourceId = default(string))
+        {
+            Id = id;
+            Name = name;
+            Type = type;
+            Location = location;
+            Tags = tags;
+            ProvisioningState = provisioningState;
+            HostName = hostName;
+            DataLocation = dataLocation;
+            NotificationHubId = notificationHubId;
+            Version = version;
+            ImmutableResourceId = immutableResourceId;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets fully qualified resource ID for the resource.
+        /// </summary>
+        [JsonProperty(PropertyName = "id")]
+        public string Id { get; private set; }
+
+        /// <summary>
+        /// Gets the name of the resource.
+        /// </summary>
+        [JsonProperty(PropertyName = "name")]
+        public string Name { get; private set; }
+
+        /// <summary>
+        /// Gets the type of the service - e.g.
+        /// "Microsoft.Communication/CommunicationServices"
+        /// </summary>
+        [JsonProperty(PropertyName = "type")]
+        public string Type { get; private set; }
+
+        /// <summary>
+        /// Gets or sets the Azure location where the CommunicationService is
+        /// running.
+        /// </summary>
+        [JsonProperty(PropertyName = "location")]
+        public string Location { get; set; }
+
+        /// <summary>
+        /// Gets or sets tags of the service which is a list of key value pairs
+        /// that describe the resource.
+        /// </summary>
+        [JsonProperty(PropertyName = "tags")]
+        public IDictionary<string, string> Tags { get; set; }
+
+        /// <summary>
+        /// Gets provisioning state of the resource. Possible values include:
+        /// 'Unknown', 'Succeeded', 'Failed', 'Canceled', 'Running',
+        /// 'Creating', 'Updating', 'Deleting', 'Moving'
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.provisioningState")]
+        public string ProvisioningState { get; private set; }
+
+        /// <summary>
+        /// Gets FQDN of the CommunicationService instance.
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.hostName")]
+        public string HostName { get; private set; }
+
+        /// <summary>
+        /// Gets or sets the location where the communication service stores
+        /// its data at rest.
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.dataLocation")]
+        public string DataLocation { get; set; }
+
+        /// <summary>
+        /// Gets resource ID of an Azure Notification Hub linked to this
+        /// resource.
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.notificationHubId")]
+        public string NotificationHubId { get; private set; }
+
+        /// <summary>
+        /// Gets version of the CommunicationService resource. Probably you
+        /// need the same or higher version of client SDKs.
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.version")]
+        public string Version { get; private set; }
+
+        /// <summary>
+        /// Gets the immutable resource Id of the communication service.
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.immutableResourceId")]
+        public string ImmutableResourceId { get; private set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/Dimension.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/Dimension.cs
new file mode 100644
index 0000000000000..ff166afad2e34
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/Dimension.cs
@@ -0,0 +1,80 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Specifications of the Dimension of metrics.
+    /// </summary>
+    public partial class Dimension
+    {
+        /// <summary>
+        /// Initializes a new instance of the Dimension class.
+        /// </summary>
+        public Dimension()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the Dimension class.
+        /// </summary>
+        /// <param name="name">The public facing name of the dimension.</param>
+        /// <param name="displayName">Localized friendly display name of the
+        /// dimension.</param>
+        /// <param name="internalName">Name of the dimension as it appears in
+        /// MDM.</param>
+        /// <param name="toBeExportedForShoebox">A Boolean flag indicating
+        /// whether this dimension should be included for the shoebox export
+        /// scenario.</param>
+        public Dimension(string name = default(string), string displayName = default(string), string internalName = default(string), bool? toBeExportedForShoebox = default(bool?))
+        {
+            Name = name;
+            DisplayName = displayName;
+            InternalName = internalName;
+            ToBeExportedForShoebox = toBeExportedForShoebox;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets the public facing name of the dimension.
+        /// </summary>
+        [JsonProperty(PropertyName = "name")]
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Gets or sets localized friendly display name of the dimension.
+        /// </summary>
+        [JsonProperty(PropertyName = "displayName")]
+        public string DisplayName { get; set; }
+
+        /// <summary>
+        /// Gets or sets name of the dimension as it appears in MDM.
+        /// </summary>
+        [JsonProperty(PropertyName = "internalName")]
+        public string InternalName { get; set; }
+
+        /// <summary>
+        /// Gets or sets a Boolean flag indicating whether this dimension
+        /// should be included for the shoebox export scenario.
+        /// </summary>
+        [JsonProperty(PropertyName = "toBeExportedForShoebox")]
+        public bool? ToBeExportedForShoebox { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/ErrorResponse.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/ErrorResponse.cs
new file mode 100644
index 0000000000000..0d7161695249f
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/ErrorResponse.cs
@@ -0,0 +1,52 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Error response indicating why the requested operation could not be
+    /// performed.
+    /// </summary>
+    public partial class ErrorResponse
+    {
+        /// <summary>
+        /// Initializes a new instance of the ErrorResponse class.
+        /// </summary>
+        public ErrorResponse()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the ErrorResponse class.
+        /// </summary>
+        /// <param name="error">The error</param>
+        public ErrorResponse(ErrorResponseError error = default(ErrorResponseError))
+        {
+            Error = error;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets the error
+        /// </summary>
+        [JsonProperty(PropertyName = "error")]
+        public ErrorResponseError Error { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/ErrorResponseError.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/ErrorResponseError.cs
new file mode 100644
index 0000000000000..9155099a3e1dc
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/ErrorResponseError.cs
@@ -0,0 +1,60 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// The error
+    /// </summary>
+    public partial class ErrorResponseError
+    {
+        /// <summary>
+        /// Initializes a new instance of the ErrorResponseError class.
+        /// </summary>
+        public ErrorResponseError()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the ErrorResponseError class.
+        /// </summary>
+        /// <param name="code">Error code.</param>
+        /// <param name="message">Error message indicating why the operation
+        /// failed.</param>
+        public ErrorResponseError(string code = default(string), string message = default(string))
+        {
+            Code = code;
+            Message = message;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets error code.
+        /// </summary>
+        [JsonProperty(PropertyName = "code")]
+        public string Code { get; set; }
+
+        /// <summary>
+        /// Gets or sets error message indicating why the operation failed.
+        /// </summary>
+        [JsonProperty(PropertyName = "message")]
+        public string Message { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/ErrorResponseException.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/ErrorResponseException.cs
new file mode 100644
index 0000000000000..29562a67a9359
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/ErrorResponseException.cs
@@ -0,0 +1,62 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Microsoft.Rest;
+
+    /// <summary>
+    /// Exception thrown for an invalid response with ErrorResponse
+    /// information.
+    /// </summary>
+    public partial class ErrorResponseException : RestException
+    {
+        /// <summary>
+        /// Gets information about the associated HTTP request.
+        /// </summary>
+        public HttpRequestMessageWrapper Request { get; set; }
+
+        /// <summary>
+        /// Gets information about the associated HTTP response.
+        /// </summary>
+        public HttpResponseMessageWrapper Response { get; set; }
+
+        /// <summary>
+        /// Gets or sets the body object.
+        /// </summary>
+        public ErrorResponse Body { get; set; }
+
+        /// <summary>
+        /// Initializes a new instance of the ErrorResponseException class.
+        /// </summary>
+        public ErrorResponseException()
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the ErrorResponseException class.
+        /// </summary>
+        /// <param name="message">The exception message.</param>
+        public ErrorResponseException(string message)
+            : this(message, null)
+        {
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the ErrorResponseException class.
+        /// </summary>
+        /// <param name="message">The exception message.</param>
+        /// <param name="innerException">Inner exception.</param>
+        public ErrorResponseException(string message, System.Exception innerException)
+            : base(message, innerException)
+        {
+        }
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/KeyType.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/KeyType.cs
new file mode 100644
index 0000000000000..78dd8a3d1bdfb
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/KeyType.cs
@@ -0,0 +1,60 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using Newtonsoft.Json.Converters;
+    using System.Runtime;
+    using System.Runtime.Serialization;
+
+    /// <summary>
+    /// Defines values for KeyType.
+    /// </summary>
+    [JsonConverter(typeof(StringEnumConverter))]
+    public enum KeyType
+    {
+        [EnumMember(Value = "Primary")]
+        Primary,
+        [EnumMember(Value = "Secondary")]
+        Secondary
+    }
+    internal static class KeyTypeEnumExtension
+    {
+        internal static string ToSerializedValue(this KeyType? value)
+        {
+            return value == null ? null : ((KeyType)value).ToSerializedValue();
+        }
+
+        internal static string ToSerializedValue(this KeyType value)
+        {
+            switch( value )
+            {
+                case KeyType.Primary:
+                    return "Primary";
+                case KeyType.Secondary:
+                    return "Secondary";
+            }
+            return null;
+        }
+
+        internal static KeyType? ParseKeyType(this string value)
+        {
+            switch( value )
+            {
+                case "Primary":
+                    return KeyType.Primary;
+                case "Secondary":
+                    return KeyType.Secondary;
+            }
+            return null;
+        }
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/LinkNotificationHubParameters.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/LinkNotificationHubParameters.cs
new file mode 100644
index 0000000000000..6cd379561bd79
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/LinkNotificationHubParameters.cs
@@ -0,0 +1,64 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Description of an Azure Notification Hub to link to the communication
+    /// service
+    /// </summary>
+    public partial class LinkNotificationHubParameters
+    {
+        /// <summary>
+        /// Initializes a new instance of the LinkNotificationHubParameters
+        /// class.
+        /// </summary>
+        public LinkNotificationHubParameters()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the LinkNotificationHubParameters
+        /// class.
+        /// </summary>
+        /// <param name="resourceId">The resource ID of the notification
+        /// hub</param>
+        /// <param name="connectionString">Connection string for the
+        /// notification hub</param>
+        public LinkNotificationHubParameters(string resourceId, string connectionString)
+        {
+            ResourceId = resourceId;
+            ConnectionString = connectionString;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets the resource ID of the notification hub
+        /// </summary>
+        [JsonProperty(PropertyName = "resourceId")]
+        public string ResourceId { get; set; }
+
+        /// <summary>
+        /// Gets or sets connection string for the notification hub
+        /// </summary>
+        [JsonProperty(PropertyName = "connectionString")]
+        public string ConnectionString { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/LinkedNotificationHub.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/LinkedNotificationHub.cs
new file mode 100644
index 0000000000000..7e6d83e1382d5
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/LinkedNotificationHub.cs
@@ -0,0 +1,52 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// A notification hub that has been linked to the communication service
+    /// </summary>
+    public partial class LinkedNotificationHub
+    {
+        /// <summary>
+        /// Initializes a new instance of the LinkedNotificationHub class.
+        /// </summary>
+        public LinkedNotificationHub()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the LinkedNotificationHub class.
+        /// </summary>
+        /// <param name="resourceId">The resource ID of the notification
+        /// hub</param>
+        public LinkedNotificationHub(string resourceId = default(string))
+        {
+            ResourceId = resourceId;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets the resource ID of the notification hub
+        /// </summary>
+        [JsonProperty(PropertyName = "resourceId")]
+        public string ResourceId { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/LocationResource.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/LocationResource.cs
new file mode 100644
index 0000000000000..e94132560e0ac
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/LocationResource.cs
@@ -0,0 +1,54 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// An ARM resource with its own location (not a global or an inherited
+    /// location).
+    /// </summary>
+    public partial class LocationResource
+    {
+        /// <summary>
+        /// Initializes a new instance of the LocationResource class.
+        /// </summary>
+        public LocationResource()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the LocationResource class.
+        /// </summary>
+        /// <param name="location">The Azure location where the
+        /// CommunicationService is running.</param>
+        public LocationResource(string location = default(string))
+        {
+            Location = location;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets the Azure location where the CommunicationService is
+        /// running.
+        /// </summary>
+        [JsonProperty(PropertyName = "location")]
+        public string Location { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/MetricSpecification.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/MetricSpecification.cs
new file mode 100644
index 0000000000000..8d6528cc5d0d8
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/MetricSpecification.cs
@@ -0,0 +1,129 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Linq;
+
+    /// <summary>
+    /// Specifications of the Metrics for Azure Monitoring.
+    /// </summary>
+    public partial class MetricSpecification
+    {
+        /// <summary>
+        /// Initializes a new instance of the MetricSpecification class.
+        /// </summary>
+        public MetricSpecification()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the MetricSpecification class.
+        /// </summary>
+        /// <param name="name">Name of the metric.</param>
+        /// <param name="displayName">Localized friendly display name of the
+        /// metric.</param>
+        /// <param name="displayDescription">Localized friendly description of
+        /// the metric.</param>
+        /// <param name="unit">The unit that makes sense for the
+        /// metric.</param>
+        /// <param name="aggregationType">The method for aggregating the
+        /// metric. Possible values include: 'Average', 'Minimum', 'Maximum',
+        /// 'Total', 'Count'</param>
+        /// <param name="fillGapWithZero">Optional. If set to true, then zero
+        /// will be returned for time duration where no metric is
+        /// emitted/published.
+        /// Ex. a metric that returns the number of times a particular error
+        /// code was emitted. The error code may not appear
+        /// often, instead of the RP publishing 0, Shoebox can auto fill in 0s
+        /// for time periods where nothing was emitted.</param>
+        /// <param name="category">The name of the metric category that the
+        /// metric belongs to. A metric can only belong to a single
+        /// category.</param>
+        /// <param name="dimensions">The dimensions of the metrics.</param>
+        public MetricSpecification(string name = default(string), string displayName = default(string), string displayDescription = default(string), string unit = default(string), string aggregationType = default(string), string fillGapWithZero = default(string), string category = default(string), IList<Dimension> dimensions = default(IList<Dimension>))
+        {
+            Name = name;
+            DisplayName = displayName;
+            DisplayDescription = displayDescription;
+            Unit = unit;
+            AggregationType = aggregationType;
+            FillGapWithZero = fillGapWithZero;
+            Category = category;
+            Dimensions = dimensions;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets name of the metric.
+        /// </summary>
+        [JsonProperty(PropertyName = "name")]
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Gets or sets localized friendly display name of the metric.
+        /// </summary>
+        [JsonProperty(PropertyName = "displayName")]
+        public string DisplayName { get; set; }
+
+        /// <summary>
+        /// Gets or sets localized friendly description of the metric.
+        /// </summary>
+        [JsonProperty(PropertyName = "displayDescription")]
+        public string DisplayDescription { get; set; }
+
+        /// <summary>
+        /// Gets or sets the unit that makes sense for the metric.
+        /// </summary>
+        [JsonProperty(PropertyName = "unit")]
+        public string Unit { get; set; }
+
+        /// <summary>
+        /// Gets or sets the method for aggregating the metric. Possible values
+        /// include: 'Average', 'Minimum', 'Maximum', 'Total', 'Count'
+        /// </summary>
+        [JsonProperty(PropertyName = "aggregationType")]
+        public string AggregationType { get; set; }
+
+        /// <summary>
+        /// Gets or sets optional. If set to true, then zero will be returned
+        /// for time duration where no metric is emitted/published.
+        /// Ex. a metric that returns the number of times a particular error
+        /// code was emitted. The error code may not appear
+        /// often, instead of the RP publishing 0, Shoebox can auto fill in 0s
+        /// for time periods where nothing was emitted.
+        /// </summary>
+        [JsonProperty(PropertyName = "fillGapWithZero")]
+        public string FillGapWithZero { get; set; }
+
+        /// <summary>
+        /// Gets or sets the name of the metric category that the metric
+        /// belongs to. A metric can only belong to a single category.
+        /// </summary>
+        [JsonProperty(PropertyName = "category")]
+        public string Category { get; set; }
+
+        /// <summary>
+        /// Gets or sets the dimensions of the metrics.
+        /// </summary>
+        [JsonProperty(PropertyName = "dimensions")]
+        public IList<Dimension> Dimensions { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/NameAvailability.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/NameAvailability.cs
new file mode 100644
index 0000000000000..213e8354c7508
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/NameAvailability.cs
@@ -0,0 +1,71 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Result of the request to check name availability. It contains a flag
+    /// and possible reason of failure.
+    /// </summary>
+    public partial class NameAvailability
+    {
+        /// <summary>
+        /// Initializes a new instance of the NameAvailability class.
+        /// </summary>
+        public NameAvailability()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the NameAvailability class.
+        /// </summary>
+        /// <param name="nameAvailable">Indicates whether the name is available
+        /// or not.</param>
+        /// <param name="reason">The reason of the availability. Required if
+        /// name is not available.</param>
+        /// <param name="message">The message of the operation.</param>
+        public NameAvailability(bool? nameAvailable = default(bool?), string reason = default(string), string message = default(string))
+        {
+            NameAvailable = nameAvailable;
+            Reason = reason;
+            Message = message;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets indicates whether the name is available or not.
+        /// </summary>
+        [JsonProperty(PropertyName = "nameAvailable")]
+        public bool? NameAvailable { get; set; }
+
+        /// <summary>
+        /// Gets or sets the reason of the availability. Required if name is
+        /// not available.
+        /// </summary>
+        [JsonProperty(PropertyName = "reason")]
+        public string Reason { get; set; }
+
+        /// <summary>
+        /// Gets or sets the message of the operation.
+        /// </summary>
+        [JsonProperty(PropertyName = "message")]
+        public string Message { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/NameAvailabilityParameters.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/NameAvailabilityParameters.cs
new file mode 100644
index 0000000000000..f496744e236a8
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/NameAvailabilityParameters.cs
@@ -0,0 +1,63 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Data POST-ed to the nameAvailability action
+    /// </summary>
+    public partial class NameAvailabilityParameters
+    {
+        /// <summary>
+        /// Initializes a new instance of the NameAvailabilityParameters class.
+        /// </summary>
+        public NameAvailabilityParameters()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the NameAvailabilityParameters class.
+        /// </summary>
+        /// <param name="type">The resource type. Should be always
+        /// "Microsoft.Communication/CommunicationServices".</param>
+        /// <param name="name">The CommunicationService name to validate.
+        /// e.g."my-CommunicationService-name-here"</param>
+        public NameAvailabilityParameters(string type, string name)
+        {
+            Type = type;
+            Name = name;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets the resource type. Should be always
+        /// "Microsoft.Communication/CommunicationServices".
+        /// </summary>
+        [JsonProperty(PropertyName = "type")]
+        public string Type { get; set; }
+
+        /// <summary>
+        /// Gets or sets the CommunicationService name to validate.
+        /// e.g."my-CommunicationService-name-here"
+        /// </summary>
+        [JsonProperty(PropertyName = "name")]
+        public string Name { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/Operation.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/Operation.cs
new file mode 100644
index 0000000000000..073542405083e
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/Operation.cs
@@ -0,0 +1,83 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// REST API operation supported by CommunicationService resource provider.
+    /// </summary>
+    public partial class Operation
+    {
+        /// <summary>
+        /// Initializes a new instance of the Operation class.
+        /// </summary>
+        public Operation()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the Operation class.
+        /// </summary>
+        /// <param name="name">Name of the operation with format:
+        /// {provider}/{resource}/{operation}</param>
+        /// <param name="display">The object that describes the
+        /// operation.</param>
+        /// <param name="origin">Optional. The intended executor of the
+        /// operation; governs the display of the operation in the RBAC UX and
+        /// the audit logs UX.</param>
+        /// <param name="properties">Extra properties for the
+        /// operation.</param>
+        public Operation(string name = default(string), OperationDisplay display = default(OperationDisplay), string origin = default(string), OperationProperties properties = default(OperationProperties))
+        {
+            Name = name;
+            Display = display;
+            Origin = origin;
+            Properties = properties;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets name of the operation with format:
+        /// {provider}/{resource}/{operation}
+        /// </summary>
+        [JsonProperty(PropertyName = "name")]
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Gets or sets the object that describes the operation.
+        /// </summary>
+        [JsonProperty(PropertyName = "display")]
+        public OperationDisplay Display { get; set; }
+
+        /// <summary>
+        /// Gets or sets optional. The intended executor of the operation;
+        /// governs the display of the operation in the RBAC UX and the audit
+        /// logs UX.
+        /// </summary>
+        [JsonProperty(PropertyName = "origin")]
+        public string Origin { get; set; }
+
+        /// <summary>
+        /// Gets or sets extra properties for the operation.
+        /// </summary>
+        [JsonProperty(PropertyName = "properties")]
+        public OperationProperties Properties { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/OperationDisplay.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/OperationDisplay.cs
new file mode 100644
index 0000000000000..0aedfc1515e22
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/OperationDisplay.cs
@@ -0,0 +1,79 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// The object that describes a operation.
+    /// </summary>
+    public partial class OperationDisplay
+    {
+        /// <summary>
+        /// Initializes a new instance of the OperationDisplay class.
+        /// </summary>
+        public OperationDisplay()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the OperationDisplay class.
+        /// </summary>
+        /// <param name="provider">Friendly name of the resource
+        /// provider</param>
+        /// <param name="resource">Resource type on which the operation is
+        /// performed.</param>
+        /// <param name="operation">The localized friendly name for the
+        /// operation.</param>
+        /// <param name="description">The localized friendly description for
+        /// the operation</param>
+        public OperationDisplay(string provider = default(string), string resource = default(string), string operation = default(string), string description = default(string))
+        {
+            Provider = provider;
+            Resource = resource;
+            Operation = operation;
+            Description = description;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets friendly name of the resource provider
+        /// </summary>
+        [JsonProperty(PropertyName = "provider")]
+        public string Provider { get; set; }
+
+        /// <summary>
+        /// Gets or sets resource type on which the operation is performed.
+        /// </summary>
+        [JsonProperty(PropertyName = "resource")]
+        public string Resource { get; set; }
+
+        /// <summary>
+        /// Gets or sets the localized friendly name for the operation.
+        /// </summary>
+        [JsonProperty(PropertyName = "operation")]
+        public string Operation { get; set; }
+
+        /// <summary>
+        /// Gets or sets the localized friendly description for the operation
+        /// </summary>
+        [JsonProperty(PropertyName = "description")]
+        public string Description { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/OperationProperties.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/OperationProperties.cs
new file mode 100644
index 0000000000000..2642fe8f4458c
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/OperationProperties.cs
@@ -0,0 +1,52 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Extra Operation properties.
+    /// </summary>
+    public partial class OperationProperties
+    {
+        /// <summary>
+        /// Initializes a new instance of the OperationProperties class.
+        /// </summary>
+        public OperationProperties()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the OperationProperties class.
+        /// </summary>
+        /// <param name="serviceSpecification">The service
+        /// specifications.</param>
+        public OperationProperties(ServiceSpecification serviceSpecification = default(ServiceSpecification))
+        {
+            ServiceSpecification = serviceSpecification;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets the service specifications.
+        /// </summary>
+        [JsonProperty(PropertyName = "serviceSpecification")]
+        public ServiceSpecification ServiceSpecification { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/OperationStatus.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/OperationStatus.cs
new file mode 100644
index 0000000000000..845c87f21e03f
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/OperationStatus.cs
@@ -0,0 +1,99 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Serialization;
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// The current status of an async operation
+    /// </summary>
+    [Rest.Serialization.JsonTransformation]
+    public partial class OperationStatus
+    {
+        /// <summary>
+        /// Initializes a new instance of the OperationStatus class.
+        /// </summary>
+        public OperationStatus()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the OperationStatus class.
+        /// </summary>
+        /// <param name="id">Fully qualified ID for the operation
+        /// status.</param>
+        /// <param name="status">Provisioning state of the resource. Possible
+        /// values include: 'Succeeded', 'Failed', 'Canceled', 'Creating',
+        /// 'Deleting', 'Moving'</param>
+        /// <param name="startTime">The start time of the operation</param>
+        /// <param name="endTime">The end time of the operation</param>
+        /// <param name="percentComplete">Percent of the operation that is
+        /// complete</param>
+        /// <param name="error">The error</param>
+        public OperationStatus(string id = default(string), string status = default(string), System.DateTime? startTime = default(System.DateTime?), System.DateTime? endTime = default(System.DateTime?), double? percentComplete = default(double?), ErrorResponseError error = default(ErrorResponseError))
+        {
+            Id = id;
+            Status = status;
+            StartTime = startTime;
+            EndTime = endTime;
+            PercentComplete = percentComplete;
+            Error = error;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets fully qualified ID for the operation status.
+        /// </summary>
+        [JsonProperty(PropertyName = "id")]
+        public string Id { get; private set; }
+
+        /// <summary>
+        /// Gets provisioning state of the resource. Possible values include:
+        /// 'Succeeded', 'Failed', 'Canceled', 'Creating', 'Deleting', 'Moving'
+        /// </summary>
+        [JsonProperty(PropertyName = "status")]
+        public string Status { get; private set; }
+
+        /// <summary>
+        /// Gets the start time of the operation
+        /// </summary>
+        [JsonProperty(PropertyName = "startTime")]
+        public System.DateTime? StartTime { get; private set; }
+
+        /// <summary>
+        /// Gets the end time of the operation
+        /// </summary>
+        [JsonProperty(PropertyName = "endTime")]
+        public System.DateTime? EndTime { get; private set; }
+
+        /// <summary>
+        /// Gets percent of the operation that is complete
+        /// </summary>
+        [JsonProperty(PropertyName = "percentComplete")]
+        public double? PercentComplete { get; private set; }
+
+        /// <summary>
+        /// Gets or sets the error
+        /// </summary>
+        [JsonProperty(PropertyName = "error.error")]
+        public ErrorResponseError Error { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/Page.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/Page.cs
new file mode 100644
index 0000000000000..8dccd2b034749
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/Page.cs
@@ -0,0 +1,53 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Newtonsoft.Json;
+    using System.Collections;
+    using System.Collections.Generic;
+
+    /// <summary>
+    /// Defines a page in Azure responses.
+    /// </summary>
+    /// <typeparam name="T">Type of the page content items</typeparam>
+    [JsonObject]
+    public class Page<T> : IPage<T>
+    {
+         /// <summary>
+         /// Gets the link to the next page.
+         /// </summary>
+         [JsonProperty("nextLink")]
+         public string NextPageLink { get; private set; }
+
+         [JsonProperty("value")]
+         private IList<T> Items{ get; set; }
+
+         /// <summary>
+         /// Returns an enumerator that iterates through the collection.
+         /// </summary>
+         /// <returns>A an enumerator that can be used to iterate through the collection.</returns>
+         public IEnumerator<T> GetEnumerator()
+         {
+              return Items == null ? System.Linq.Enumerable.Empty<T>().GetEnumerator() : Items.GetEnumerator();
+         }
+
+         /// <summary>
+         /// Returns an enumerator that iterates through the collection.
+         /// </summary>
+         /// <returns>A an enumerator that can be used to iterate through the collection.</returns>
+         IEnumerator IEnumerable.GetEnumerator()
+         {
+             return GetEnumerator();
+         }
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/ProvisioningState.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/ProvisioningState.cs
new file mode 100644
index 0000000000000..cd961547553da
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/ProvisioningState.cs
@@ -0,0 +1,29 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+
+    /// <summary>
+    /// Defines values for ProvisioningState.
+    /// </summary>
+    public static class ProvisioningState
+    {
+        public const string Unknown = "Unknown";
+        public const string Succeeded = "Succeeded";
+        public const string Failed = "Failed";
+        public const string Canceled = "Canceled";
+        public const string Running = "Running";
+        public const string Creating = "Creating";
+        public const string Updating = "Updating";
+        public const string Deleting = "Deleting";
+        public const string Moving = "Moving";
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/RegenerateKeyParameters.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/RegenerateKeyParameters.cs
new file mode 100644
index 0000000000000..617af3e599d81
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/RegenerateKeyParameters.cs
@@ -0,0 +1,55 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Parameters describes the request to regenerate access keys
+    /// </summary>
+    public partial class RegenerateKeyParameters
+    {
+        /// <summary>
+        /// Initializes a new instance of the RegenerateKeyParameters class.
+        /// </summary>
+        public RegenerateKeyParameters()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the RegenerateKeyParameters class.
+        /// </summary>
+        /// <param name="keyType">The keyType to regenerate. Must be either
+        /// 'primary' or 'secondary'(case-insensitive). Possible values
+        /// include: 'Primary', 'Secondary'</param>
+        public RegenerateKeyParameters(KeyType? keyType = default(KeyType?))
+        {
+            KeyType = keyType;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets the keyType to regenerate. Must be either 'primary' or
+        /// 'secondary'(case-insensitive). Possible values include: 'Primary',
+        /// 'Secondary'
+        /// </summary>
+        [JsonProperty(PropertyName = "keyType")]
+        public KeyType? KeyType { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/Resource.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/Resource.cs
new file mode 100644
index 0000000000000..31e81085177e9
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/Resource.cs
@@ -0,0 +1,72 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// The core properties of ARM resources.
+    /// </summary>
+    public partial class Resource : IResource
+    {
+        /// <summary>
+        /// Initializes a new instance of the Resource class.
+        /// </summary>
+        public Resource()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the Resource class.
+        /// </summary>
+        /// <param name="id">Fully qualified resource ID for the
+        /// resource.</param>
+        /// <param name="name">The name of the resource.</param>
+        /// <param name="type">The type of the service - e.g.
+        /// "Microsoft.Communication/CommunicationServices"</param>
+        public Resource(string id = default(string), string name = default(string), string type = default(string))
+        {
+            Id = id;
+            Name = name;
+            Type = type;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets fully qualified resource ID for the resource.
+        /// </summary>
+        [JsonProperty(PropertyName = "id")]
+        public string Id { get; private set; }
+
+        /// <summary>
+        /// Gets the name of the resource.
+        /// </summary>
+        [JsonProperty(PropertyName = "name")]
+        public string Name { get; private set; }
+
+        /// <summary>
+        /// Gets the type of the service - e.g.
+        /// "Microsoft.Communication/CommunicationServices"
+        /// </summary>
+        [JsonProperty(PropertyName = "type")]
+        public string Type { get; private set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/ServiceSpecification.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/ServiceSpecification.cs
new file mode 100644
index 0000000000000..8857d763dfd1e
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/ServiceSpecification.cs
@@ -0,0 +1,54 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Linq;
+
+    /// <summary>
+    /// An object that describes a specification.
+    /// </summary>
+    public partial class ServiceSpecification
+    {
+        /// <summary>
+        /// Initializes a new instance of the ServiceSpecification class.
+        /// </summary>
+        public ServiceSpecification()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the ServiceSpecification class.
+        /// </summary>
+        /// <param name="metricSpecifications">Specifications of the Metrics
+        /// for Azure Monitoring.</param>
+        public ServiceSpecification(IList<MetricSpecification> metricSpecifications = default(IList<MetricSpecification>))
+        {
+            MetricSpecifications = metricSpecifications;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets specifications of the Metrics for Azure Monitoring.
+        /// </summary>
+        [JsonProperty(PropertyName = "metricSpecifications")]
+        public IList<MetricSpecification> MetricSpecifications { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/Status.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/Status.cs
new file mode 100644
index 0000000000000..7dd5ab1f23fce
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/Status.cs
@@ -0,0 +1,26 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+
+    /// <summary>
+    /// Defines values for Status.
+    /// </summary>
+    public static class Status
+    {
+        public const string Succeeded = "Succeeded";
+        public const string Failed = "Failed";
+        public const string Canceled = "Canceled";
+        public const string Creating = "Creating";
+        public const string Deleting = "Deleting";
+        public const string Moving = "Moving";
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/TaggedResource.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/TaggedResource.cs
new file mode 100644
index 0000000000000..95740641e2574
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Models/TaggedResource.cs
@@ -0,0 +1,55 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication.Models
+{
+    using Newtonsoft.Json;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Linq;
+
+    /// <summary>
+    /// An ARM resource with that can accept tags
+    /// </summary>
+    public partial class TaggedResource
+    {
+        /// <summary>
+        /// Initializes a new instance of the TaggedResource class.
+        /// </summary>
+        public TaggedResource()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the TaggedResource class.
+        /// </summary>
+        /// <param name="tags">Tags of the service which is a list of key value
+        /// pairs that describe the resource.</param>
+        public TaggedResource(IDictionary<string, string> tags = default(IDictionary<string, string>))
+        {
+            Tags = tags;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets tags of the service which is a list of key value pairs
+        /// that describe the resource.
+        /// </summary>
+        [JsonProperty(PropertyName = "tags")]
+        public IDictionary<string, string> Tags { get; set; }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/OperationStatusesOperations.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/OperationStatusesOperations.cs
new file mode 100644
index 0000000000000..55d7f48dc7c97
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/OperationStatusesOperations.cs
@@ -0,0 +1,239 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Models;
+    using Newtonsoft.Json;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Linq;
+    using System.Net;
+    using System.Net.Http;
+    using System.Threading;
+    using System.Threading.Tasks;
+
+    /// <summary>
+    /// OperationStatusesOperations operations.
+    /// </summary>
+    internal partial class OperationStatusesOperations : IServiceOperations<CommunicationServiceManagementClient>, IOperationStatusesOperations
+    {
+        /// <summary>
+        /// Initializes a new instance of the OperationStatusesOperations class.
+        /// </summary>
+        /// <param name='client'>
+        /// Reference to the service client.
+        /// </param>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        internal OperationStatusesOperations(CommunicationServiceManagementClient client)
+        {
+            if (client == null)
+            {
+                throw new System.ArgumentNullException("client");
+            }
+            Client = client;
+        }
+
+        /// <summary>
+        /// Gets a reference to the CommunicationServiceManagementClient
+        /// </summary>
+        public CommunicationServiceManagementClient Client { get; private set; }
+
+        /// <summary>
+        /// Get Operation Status
+        /// </summary>
+        /// <remarks>
+        /// Gets the current status of an async operation.
+        /// </remarks>
+        /// <param name='location'>
+        /// The Azure region
+        /// </param>
+        /// <param name='operationId'>
+        /// The ID of an ongoing async operation
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<OperationStatus>> GetWithHttpMessagesAsync(string location, string operationId, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (location == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "location");
+            }
+            if (operationId == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "operationId");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("location", location);
+                tracingParameters.Add("operationId", operationId);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "Get", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = Client.BaseUri.AbsoluteUri;
+            var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "providers/Microsoft.Communication/locations/{location}/operationStatuses/{operationId}").ToString();
+            _url = _url.Replace("{location}", System.Uri.EscapeDataString(location));
+            _url = _url.Replace("{operationId}", System.Uri.EscapeDataString(operationId));
+            List<string> _queryParameters = new List<string>();
+            if (Client.ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(Client.ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorResponseException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    ErrorResponse _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorResponse>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<OperationStatus>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<OperationStatus>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/OperationStatusesOperationsExtensions.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/OperationStatusesOperationsExtensions.cs
new file mode 100644
index 0000000000000..6191118a99869
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/OperationStatusesOperationsExtensions.cs
@@ -0,0 +1,71 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Models;
+    using System.Threading;
+    using System.Threading.Tasks;
+
+    /// <summary>
+    /// Extension methods for OperationStatusesOperations.
+    /// </summary>
+    public static partial class OperationStatusesOperationsExtensions
+    {
+            /// <summary>
+            /// Get Operation Status
+            /// </summary>
+            /// <remarks>
+            /// Gets the current status of an async operation.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='location'>
+            /// The Azure region
+            /// </param>
+            /// <param name='operationId'>
+            /// The ID of an ongoing async operation
+            /// </param>
+            public static OperationStatus Get(this IOperationStatusesOperations operations, string location, string operationId)
+            {
+                return operations.GetAsync(location, operationId).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// Get Operation Status
+            /// </summary>
+            /// <remarks>
+            /// Gets the current status of an async operation.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='location'>
+            /// The Azure region
+            /// </param>
+            /// <param name='operationId'>
+            /// The ID of an ongoing async operation
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<OperationStatus> GetAsync(this IOperationStatusesOperations operations, string location, string operationId, CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.GetWithHttpMessagesAsync(location, operationId, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Operations.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Operations.cs
new file mode 100644
index 0000000000000..48dc22a902c53
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/Operations.cs
@@ -0,0 +1,388 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Models;
+    using Newtonsoft.Json;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Linq;
+    using System.Net;
+    using System.Net.Http;
+    using System.Threading;
+    using System.Threading.Tasks;
+
+    /// <summary>
+    /// Operations operations.
+    /// </summary>
+    internal partial class Operations : IServiceOperations<CommunicationServiceManagementClient>, IOperations
+    {
+        /// <summary>
+        /// Initializes a new instance of the Operations class.
+        /// </summary>
+        /// <param name='client'>
+        /// Reference to the service client.
+        /// </param>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        internal Operations(CommunicationServiceManagementClient client)
+        {
+            if (client == null)
+            {
+                throw new System.ArgumentNullException("client");
+            }
+            Client = client;
+        }
+
+        /// <summary>
+        /// Gets a reference to the CommunicationServiceManagementClient
+        /// </summary>
+        public CommunicationServiceManagementClient Client { get; private set; }
+
+        /// <summary>
+        /// List Operations
+        /// </summary>
+        /// <remarks>
+        /// Lists all of the available REST API operations of the
+        /// Microsoft.Communication provider.
+        /// </remarks>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<IPage<Operation>>> ListWithHttpMessagesAsync(Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "List", tracingParameters);
+            }
+            // Construct URL
+            var _baseUrl = Client.BaseUri.AbsoluteUri;
+            var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "providers/Microsoft.Communication/operations").ToString();
+            List<string> _queryParameters = new List<string>();
+            if (Client.ApiVersion != null)
+            {
+                _queryParameters.Add(string.Format("api-version={0}", System.Uri.EscapeDataString(Client.ApiVersion)));
+            }
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorResponseException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    ErrorResponse _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorResponse>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<IPage<Operation>>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<Page<Operation>>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+        /// <summary>
+        /// List Operations
+        /// </summary>
+        /// <remarks>
+        /// Lists all of the available REST API operations of the
+        /// Microsoft.Communication provider.
+        /// </remarks>
+        /// <param name='nextPageLink'>
+        /// The NextLink from the previous successful call to List operation.
+        /// </param>
+        /// <param name='customHeaders'>
+        /// Headers that will be added to request.
+        /// </param>
+        /// <param name='cancellationToken'>
+        /// The cancellation token.
+        /// </param>
+        /// <exception cref="ErrorResponseException">
+        /// Thrown when the operation returned an invalid status code
+        /// </exception>
+        /// <exception cref="SerializationException">
+        /// Thrown when unable to deserialize the response
+        /// </exception>
+        /// <exception cref="ValidationException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <exception cref="System.ArgumentNullException">
+        /// Thrown when a required parameter is null
+        /// </exception>
+        /// <return>
+        /// A response object containing the response body and response headers.
+        /// </return>
+        public async Task<AzureOperationResponse<IPage<Operation>>> ListNextWithHttpMessagesAsync(string nextPageLink, Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            if (nextPageLink == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "nextPageLink");
+            }
+            // Tracing
+            bool _shouldTrace = ServiceClientTracing.IsEnabled;
+            string _invocationId = null;
+            if (_shouldTrace)
+            {
+                _invocationId = ServiceClientTracing.NextInvocationId.ToString();
+                Dictionary<string, object> tracingParameters = new Dictionary<string, object>();
+                tracingParameters.Add("nextPageLink", nextPageLink);
+                tracingParameters.Add("cancellationToken", cancellationToken);
+                ServiceClientTracing.Enter(_invocationId, this, "ListNext", tracingParameters);
+            }
+            // Construct URL
+            string _url = "{nextLink}";
+            _url = _url.Replace("{nextLink}", nextPageLink);
+            List<string> _queryParameters = new List<string>();
+            if (_queryParameters.Count > 0)
+            {
+                _url += (_url.Contains("?") ? "&" : "?") + string.Join("&", _queryParameters);
+            }
+            // Create HTTP transport objects
+            var _httpRequest = new HttpRequestMessage();
+            HttpResponseMessage _httpResponse = null;
+            _httpRequest.Method = new HttpMethod("GET");
+            _httpRequest.RequestUri = new System.Uri(_url);
+            // Set Headers
+            if (Client.GenerateClientRequestId != null && Client.GenerateClientRequestId.Value)
+            {
+                _httpRequest.Headers.TryAddWithoutValidation("x-ms-client-request-id", System.Guid.NewGuid().ToString());
+            }
+            if (Client.AcceptLanguage != null)
+            {
+                if (_httpRequest.Headers.Contains("accept-language"))
+                {
+                    _httpRequest.Headers.Remove("accept-language");
+                }
+                _httpRequest.Headers.TryAddWithoutValidation("accept-language", Client.AcceptLanguage);
+            }
+
+
+            if (customHeaders != null)
+            {
+                foreach(var _header in customHeaders)
+                {
+                    if (_httpRequest.Headers.Contains(_header.Key))
+                    {
+                        _httpRequest.Headers.Remove(_header.Key);
+                    }
+                    _httpRequest.Headers.TryAddWithoutValidation(_header.Key, _header.Value);
+                }
+            }
+
+            // Serialize Request
+            string _requestContent = null;
+            // Set Credentials
+            if (Client.Credentials != null)
+            {
+                cancellationToken.ThrowIfCancellationRequested();
+                await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            }
+            // Send Request
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.SendRequest(_invocationId, _httpRequest);
+            }
+            cancellationToken.ThrowIfCancellationRequested();
+            _httpResponse = await Client.HttpClient.SendAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.ReceiveResponse(_invocationId, _httpResponse);
+            }
+            HttpStatusCode _statusCode = _httpResponse.StatusCode;
+            cancellationToken.ThrowIfCancellationRequested();
+            string _responseContent = null;
+            if ((int)_statusCode != 200)
+            {
+                var ex = new ErrorResponseException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                try
+                {
+                    _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                    ErrorResponse _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorResponse>(_responseContent, Client.DeserializationSettings);
+                    if (_errorBody != null)
+                    {
+                        ex.Body = _errorBody;
+                    }
+                }
+                catch (JsonException)
+                {
+                    // Ignore the exception
+                }
+                ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
+                ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_shouldTrace)
+                {
+                    ServiceClientTracing.Error(_invocationId, ex);
+                }
+                _httpRequest.Dispose();
+                if (_httpResponse != null)
+                {
+                    _httpResponse.Dispose();
+                }
+                throw ex;
+            }
+            // Create Result
+            var _result = new AzureOperationResponse<IPage<Operation>>();
+            _result.Request = _httpRequest;
+            _result.Response = _httpResponse;
+            if (_httpResponse.Headers.Contains("x-ms-request-id"))
+            {
+                _result.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+            }
+            // Deserialize Response
+            if ((int)_statusCode == 200)
+            {
+                _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
+                try
+                {
+                    _result.Body = Rest.Serialization.SafeJsonConvert.DeserializeObject<Page<Operation>>(_responseContent, Client.DeserializationSettings);
+                }
+                catch (JsonException ex)
+                {
+                    _httpRequest.Dispose();
+                    if (_httpResponse != null)
+                    {
+                        _httpResponse.Dispose();
+                    }
+                    throw new SerializationException("Unable to deserialize the response.", _responseContent, ex);
+                }
+            }
+            if (_shouldTrace)
+            {
+                ServiceClientTracing.Exit(_invocationId, _result);
+            }
+            return _result;
+        }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/OperationsExtensions.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/OperationsExtensions.cs
new file mode 100644
index 0000000000000..db226e582e918
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/OperationsExtensions.cs
@@ -0,0 +1,103 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Azure;
+    using Models;
+    using System.Threading;
+    using System.Threading.Tasks;
+
+    /// <summary>
+    /// Extension methods for Operations.
+    /// </summary>
+    public static partial class OperationsExtensions
+    {
+            /// <summary>
+            /// List Operations
+            /// </summary>
+            /// <remarks>
+            /// Lists all of the available REST API operations of the
+            /// Microsoft.Communication provider.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            public static IPage<Operation> List(this IOperations operations)
+            {
+                return operations.ListAsync().GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// List Operations
+            /// </summary>
+            /// <remarks>
+            /// Lists all of the available REST API operations of the
+            /// Microsoft.Communication provider.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<IPage<Operation>> ListAsync(this IOperations operations, CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.ListWithHttpMessagesAsync(null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+            /// <summary>
+            /// List Operations
+            /// </summary>
+            /// <remarks>
+            /// Lists all of the available REST API operations of the
+            /// Microsoft.Communication provider.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='nextPageLink'>
+            /// The NextLink from the previous successful call to List operation.
+            /// </param>
+            public static IPage<Operation> ListNext(this IOperations operations, string nextPageLink)
+            {
+                return operations.ListNextAsync(nextPageLink).GetAwaiter().GetResult();
+            }
+
+            /// <summary>
+            /// List Operations
+            /// </summary>
+            /// <remarks>
+            /// Lists all of the available REST API operations of the
+            /// Microsoft.Communication provider.
+            /// </remarks>
+            /// <param name='operations'>
+            /// The operations group for this extension method.
+            /// </param>
+            /// <param name='nextPageLink'>
+            /// The NextLink from the previous successful call to List operation.
+            /// </param>
+            /// <param name='cancellationToken'>
+            /// The cancellation token.
+            /// </param>
+            public static async Task<IPage<Operation>> ListNextAsync(this IOperations operations, string nextPageLink, CancellationToken cancellationToken = default(CancellationToken))
+            {
+                using (var _result = await operations.ListNextWithHttpMessagesAsync(nextPageLink, null, cancellationToken).ConfigureAwait(false))
+                {
+                    return _result.Body;
+                }
+            }
+
+    }
+}
diff --git a/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/SdkInfo_CommunicationServiceManagementClient.cs b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/SdkInfo_CommunicationServiceManagementClient.cs
new file mode 100644
index 0000000000000..f1fd91dd7f0f9
--- /dev/null
+++ b/sdk/communication/Microsoft.Azure.Management.Communication/src/Generated/SdkInfo_CommunicationServiceManagementClient.cs
@@ -0,0 +1,29 @@
+
+// <auto-generated>
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.Communication
+{
+  using System;
+  using System.Collections.Generic;
+  using System.Linq;
+
+  internal static partial class SdkInfo
+  {
+      public static IEnumerable<Tuple<string, string, string>> ApiInfo_CommunicationServiceManagementClient
+      {
+          get
+          {
+              return new Tuple<string, string, string>[]
+              {
+                new Tuple<string, string, string>("Communication", "CommunicationService", "2020-08-20-preview"),
+                new Tuple<string, string, string>("Communication", "OperationStatuses", "2020-08-20-preview"),
+                new Tuple<string, string, string>("Communication", "Operations", "2020-08-20-preview"),
+              }.AsEnumerable();
+          }
+      }
+  }
+}