diff --git a/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/IotHubClient.cs b/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/IotHubClient.cs
index 460dd9fe79be0..a24aed577c984 100644
--- a/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/IotHubClient.cs
+++ b/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/IotHubClient.cs
@@ -346,7 +346,7 @@ private void Initialize()
             Certificates = new CertificatesOperations(this);
             IotHub = new IotHubOperations(this);
             BaseUri = new System.Uri("https://management.azure.com");
-            ApiVersion = "2019-03-22-preview";
+            ApiVersion = "2019-07-01-preview";
             AcceptLanguage = "en-US";
             LongRunningOperationRetryTimeout = 30;
             GenerateClientRequestId = true;
diff --git a/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/Models/RouteProperties.cs b/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/Models/RouteProperties.cs
index 0bca2ab9baf46..5744aeca3274e 100644
--- a/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/Models/RouteProperties.cs
+++ b/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/Models/RouteProperties.cs
@@ -39,7 +39,8 @@ public RouteProperties()
         /// <param name="source">The source that the routing rule is to be
         /// applied to, such as DeviceMessages. Possible values include:
         /// 'Invalid', 'DeviceMessages', 'TwinChangeEvents',
-        /// 'DeviceLifecycleEvents', 'DeviceJobLifecycleEvents'</param>
+        /// 'DeviceLifecycleEvents', 'DeviceJobLifecycleEvents',
+        /// 'DigitalTwinChangeEvents'</param>
         /// <param name="endpointNames">The list of endpoints to which messages
         /// that satisfy the condition are routed. Currently only one endpoint
         /// is allowed.</param>
@@ -76,7 +77,7 @@ public RouteProperties()
         /// Gets or sets the source that the routing rule is to be applied to,
         /// such as DeviceMessages. Possible values include: 'Invalid',
         /// 'DeviceMessages', 'TwinChangeEvents', 'DeviceLifecycleEvents',
-        /// 'DeviceJobLifecycleEvents'
+        /// 'DeviceJobLifecycleEvents', 'DigitalTwinChangeEvents'
         /// </summary>
         [JsonProperty(PropertyName = "source")]
         public string Source { get; set; }
diff --git a/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/Models/RoutingSource.cs b/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/Models/RoutingSource.cs
index e1caf2ad9a7f4..dd90eed51d44d 100644
--- a/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/Models/RoutingSource.cs
+++ b/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/Models/RoutingSource.cs
@@ -21,5 +21,6 @@ public static class RoutingSource
         public const string TwinChangeEvents = "TwinChangeEvents";
         public const string DeviceLifecycleEvents = "DeviceLifecycleEvents";
         public const string DeviceJobLifecycleEvents = "DeviceJobLifecycleEvents";
+        public const string DigitalTwinChangeEvents = "DigitalTwinChangeEvents";
     }
 }
diff --git a/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/Models/TestAllRoutesInput.cs b/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/Models/TestAllRoutesInput.cs
index 84ad4754dafa0..67b3d0c42d074 100644
--- a/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/Models/TestAllRoutesInput.cs
+++ b/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/Models/TestAllRoutesInput.cs
@@ -31,7 +31,8 @@ public TestAllRoutesInput()
         /// </summary>
         /// <param name="routingSource">Routing source. Possible values
         /// include: 'Invalid', 'DeviceMessages', 'TwinChangeEvents',
-        /// 'DeviceLifecycleEvents', 'DeviceJobLifecycleEvents'</param>
+        /// 'DeviceLifecycleEvents', 'DeviceJobLifecycleEvents',
+        /// 'DigitalTwinChangeEvents'</param>
         /// <param name="message">Routing message</param>
         /// <param name="twin">Routing Twin Reference</param>
         public TestAllRoutesInput(string routingSource = default(string), RoutingMessage message = default(RoutingMessage), RoutingTwin twin = default(RoutingTwin))
@@ -50,7 +51,7 @@ public TestAllRoutesInput()
         /// <summary>
         /// Gets or sets routing source. Possible values include: 'Invalid',
         /// 'DeviceMessages', 'TwinChangeEvents', 'DeviceLifecycleEvents',
-        /// 'DeviceJobLifecycleEvents'
+        /// 'DeviceJobLifecycleEvents', 'DigitalTwinChangeEvents'
         /// </summary>
         [JsonProperty(PropertyName = "routingSource")]
         public string RoutingSource { get; set; }
diff --git a/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/SdkInfo_iotHubClient.cs b/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/SdkInfo_iotHubClient.cs
index 8c714a355a2f0..c06db3d986a1a 100644
--- a/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/SdkInfo_iotHubClient.cs
+++ b/sdk/iothub/Microsoft.Azure.Management.IotHub/src/Generated/SdkInfo_iotHubClient.cs
@@ -19,24 +19,13 @@ public static IEnumerable<Tuple<string, string, string>> ApiInfo_iotHubClient
           {
               return new Tuple<string, string, string>[]
               {
-                new Tuple<string, string, string>("Devices", "Certificates", "2019-03-22-preview"),
-                new Tuple<string, string, string>("Devices", "IotHub", "2019-03-22-preview"),
-                new Tuple<string, string, string>("Devices", "IotHubResource", "2019-03-22-preview"),
-                new Tuple<string, string, string>("Devices", "Operations", "2019-03-22-preview"),
-                new Tuple<string, string, string>("Devices", "ResourceProviderCommon", "2019-03-22-preview"),
+                new Tuple<string, string, string>("Devices", "Certificates", "2019-07-01-preview"),
+                new Tuple<string, string, string>("Devices", "IotHub", "2019-07-01-preview"),
+                new Tuple<string, string, string>("Devices", "IotHubResource", "2019-07-01-preview"),
+                new Tuple<string, string, string>("Devices", "Operations", "2019-07-01-preview"),
+                new Tuple<string, string, string>("Devices", "ResourceProviderCommon", "2019-07-01-preview"),
               }.AsEnumerable();
           }
       }
-      // BEGIN: Code Generation Metadata Section
-      public static readonly String AutoRestVersion = "latest";
-      public static readonly String AutoRestBootStrapperVersion = "autorest@2.0.4283";
-      public static readonly String AutoRestCmdExecuted = "cmd.exe /c autorest.cmd https://github.com/Azure/azure-rest-api-specs/blob/master/specification/iothub/resource-manager/readme.md --csharp --version=latest --reflect-api-versions --csharp-sdks-folder=D:\\azure-sdk-for-net\\sdk";
-      public static readonly String GithubForkName = "Azure";
-      public static readonly String GithubBranchName = "master";
-      public static readonly String GithubCommidId = "2a65faa9ddbf9970708ba507eeb8071a2d310b57";
-      public static readonly String CodeGenerationErrors = "";
-      public static readonly String GithubRepoName = "azure-rest-api-specs";
-      // END: Code Generation Metadata Section
   }
 }
-