diff --git a/sdk/cognitiveservices/cognitiveservices-textanalytics/LICENSE.txt b/sdk/cognitiveservices/cognitiveservices-textanalytics/LICENSE.txt
index b73b4a1293c3..2d3163745319 100644
--- a/sdk/cognitiveservices/cognitiveservices-textanalytics/LICENSE.txt
+++ b/sdk/cognitiveservices/cognitiveservices-textanalytics/LICENSE.txt
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2019 Microsoft
+Copyright (c) 2021 Microsoft
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/sdk/cognitiveservices/cognitiveservices-textanalytics/README.md b/sdk/cognitiveservices/cognitiveservices-textanalytics/README.md
index 905442972f0d..01cc0d4bcb70 100644
--- a/sdk/cognitiveservices/cognitiveservices-textanalytics/README.md
+++ b/sdk/cognitiveservices/cognitiveservices-textanalytics/README.md
@@ -15,80 +15,54 @@ npm install @azure/cognitiveservices-textanalytics
 
 ### How to use
 
-#### nodejs - Authentication, client creation and detectLanguage  as an example written in TypeScript.
+#### nodejs - client creation and detectLanguage  as an example written in TypeScript.
 
-##### Install @azure/ms-rest-azure-js
+##### Install @azure/ms-rest-nodeauth
 
+- Please install minimum version of `"@azure/ms-rest-nodeauth": "^3.0.0"`.
 ```bash
-npm install @azure/ms-rest-azure-js
+npm install @azure/ms-rest-nodeauth@"^3.0.0"
 ```
 
 ##### Sample code
-The following sample detects the langauge in the provided text. In addition, it provides data such as Characters count, transaction count, etc. To know more, refer to the [Azure Documentation on Text Analytics](https://docs.microsoft.com/azure/cognitive-services/text-analytics/overview)
 
-```javascript
+While the below sample uses the interactive login, other authentication options can be found in the [README.md file of @azure/ms-rest-nodeauth](https://www.npmjs.com/package/@azure/ms-rest-nodeauth) package
+```typescript
+const msRestNodeAuth = require("@azure/ms-rest-nodeauth");
 const { TextAnalyticsClient } = require("@azure/cognitiveservices-textanalytics");
-const { CognitiveServicesCredentials } = require("@azure/ms-rest-azure-js");
-
-async function main() {
-  const textAnalyticsKey =
-    process.env["textAnalyticsKey"] || "<textAnalyticsKey>";
-  const textAnalyticsEndPoint =
-    process.env["textAnalyticsEndPoint"] || "<textAnalyticsEndPoint>";
-  const cognitiveServiceCredentials = new CognitiveServicesCredentials(
-    textAnalyticsKey
-  );
-  const client = new TextAnalyticsClient(
-    cognitiveServiceCredentials,
-    textAnalyticsEndPoint
-  );
-  const options = {
-    showStats: true,
-    languageBatchInput: {
-      documents: [
-        {
-          id: "1",
-          text: "Sample Text"
-        },
-        {
-          id: "2",
-          text: "Texto de ejemplo"
-        }
-      ]
-    }
+const subscriptionId = process.env["AZURE_SUBSCRIPTION_ID"];
+
+msRestNodeAuth.interactiveLogin().then((creds) => {
+  const client = new TextAnalyticsClient(creds, subscriptionId);
+  const showStats = true;
+  const languageBatchInput = {
+    documents: [{
+      countryHint: "testcountryHint",
+      id: "testid",
+      text: "testtext"
+    }]
   };
-  client
-    .detectLanguage(options)
-    .then(result => {
-      console.log("The result is:");
-      result.documents.forEach(document => {
-        console.log(`Id: ${document.id}`);
-        console.log("Detected Languages:");
-        document.detectedLanguages.forEach(dl => {
-          console.log(dl.name);
-        });
-        console.log(
-          `Characters Count: ${document.statistics.charactersCount}`
-        );
-        console.log(
-          `Transactions Count: ${document.statistics.transactionsCount}`
-        );
-      });
-    })
-    .catch(err => {
-      console.log("An error occurred:");
-      console.error(err);
-    });
-}
-
-main();
-
+  client.detectLanguage(showStats, languageBatchInput).then((result) => {
+    console.log("The result is:");
+    console.log(result);
+  });
+}).catch((err) => {
+  console.error(err);
+});
 ```
 
 #### browser - Authentication, client creation and detectLanguage  as an example written in JavaScript.
 
+##### Install @azure/ms-rest-browserauth
+
+```bash
+npm install @azure/ms-rest-browserauth
+```
+
 ##### Sample code
 
+See https://github.com/Azure/ms-rest-browserauth to learn how to authenticate to Azure in the browser.
+
 - index.html
 ```html
 <!DOCTYPE html>
@@ -96,58 +70,36 @@ main();
   <head>
     <title>@azure/cognitiveservices-textanalytics sample</title>
     <script src="node_modules/@azure/ms-rest-js/dist/msRest.browser.js"></script>
+    <script src="node_modules/@azure/ms-rest-browserauth/dist/msAuth.js"></script>
     <script src="node_modules/@azure/cognitiveservices-textanalytics/dist/cognitiveservices-textanalytics.js"></script>
     <script type="text/javascript">
-      const textAnalyticsKey = "<YOUR_TEXT_ANALYTICS_KEY>";
-      const textAnalyticsEndPoint = "<YOUR_TEXT_ANALYTICS_ENDPOINT>";
-      const cognitiveServiceCredentials = new msRest.ApiKeyCredentials({
-        inHeader: {
-          "Ocp-Apim-Subscription-Key": textAnalyticsKey
-        }
+      const subscriptionId = "<Subscription_Id>";
+      const authManager = new msAuth.AuthManager({
+        clientId: "<client id for your Azure AD app>",
+        tenant: "<optional tenant for your organization>"
       });
-      const client = new Azure.CognitiveservicesTextanalytics.TextAnalyticsClient(
-        cognitiveServiceCredentials,
-        textAnalyticsEndPoint
-      );
-
-      const options = {
-        showStats: true,
-        languageBatchInput: {
-          documents: [
-            {
-              id: "1",
-              text: "Sample Text"
-            },
-            {
-              id: "2",
-              text: "Texto de ejemplo"
-            }
-          ]
+      authManager.finalizeLogin().then((res) => {
+        if (!res.isLoggedIn) {
+          // may cause redirects
+          authManager.login();
         }
-      };
-
-      client
-        .detectLanguage(options)
-        .then(result => {
+        const client = new Azure.CognitiveservicesTextanalytics.TextAnalyticsClient(res.creds, subscriptionId);
+        const showStats = true;
+        const languageBatchInput = {
+          documents: [{
+            countryHint: "testcountryHint",
+            id: "testid",
+            text: "testtext"
+          }]
+        };
+        client.detectLanguage(showStats, languageBatchInput).then((result) => {
           console.log("The result is:");
-          result.documents.forEach(document => {
-            console.log(`Id: ${document.id}`);
-            console.log("Detected Languages:");
-            document.detectedLanguages.forEach(dl => {
-              console.log(dl.name);
-            });
-            console.log(
-              `Characters Count: ${document.statistics.charactersCount}`
-            );
-            console.log(
-              `Transactions Count: ${document.statistics.transactionsCount}`
-            );
-          });
-        })
-        .catch(err => {
+          console.log(result);
+        }).catch((err) => {
           console.log("An error occurred:");
           console.error(err);
         });
+      });
     </script>
   </head>
   <body></body>
@@ -158,4 +110,4 @@ main();
 
 - [Microsoft Azure SDK for Javascript](https://github.com/Azure/azure-sdk-for-js)
 
-![Impressions](https://azure-sdk-impressions.azurewebsites.net/api/impressions/azure-sdk-for-js%2Fsdk%2Fcognitiveservices%2Fcognitiveservices-textanalytics%2FREADME.png)
+![Impressions](https://azure-sdk-impressions.azurewebsites.net/api/impressions/azure-sdk-for-js/sdk/cognitiveservices/cognitiveservices-textanalytics/README.png)
diff --git a/sdk/cognitiveservices/cognitiveservices-textanalytics/rollup.config.js b/sdk/cognitiveservices/cognitiveservices-textanalytics/rollup.config.js
index 5f99399d86ae..5e4ea8ebfe5a 100644
--- a/sdk/cognitiveservices/cognitiveservices-textanalytics/rollup.config.js
+++ b/sdk/cognitiveservices/cognitiveservices-textanalytics/rollup.config.js
@@ -21,8 +21,8 @@ const config = {
       "@azure/ms-rest-azure-js": "msRestAzure"
     },
     banner: `/*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
diff --git a/sdk/cognitiveservices/cognitiveservices-textanalytics/src/models/index.ts b/sdk/cognitiveservices/cognitiveservices-textanalytics/src/models/index.ts
index 3a71da695d0b..f4dd8f49793b 100644
--- a/sdk/cognitiveservices/cognitiveservices-textanalytics/src/models/index.ts
+++ b/sdk/cognitiveservices/cognitiveservices-textanalytics/src/models/index.ts
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
@@ -499,12 +499,7 @@ export type KeyPhrasesResponse = KeyPhraseBatchResult & {
 /**
  * Contains response data for the sentiment operation.
  */
-export type SentimentResponse = {
-  /**
-   * The parsed response body.
-   */
-  body: any;
-
+export type SentimentResponse = SentimentBatchResult & {
   /**
    * The underlying HTTP response.
    */
@@ -517,6 +512,6 @@ export type SentimentResponse = {
       /**
        * The response body as parsed JSON or XML
        */
-      parsedBody: any;
+      parsedBody: SentimentBatchResult;
     };
 };
diff --git a/sdk/cognitiveservices/cognitiveservices-textanalytics/src/models/mappers.ts b/sdk/cognitiveservices/cognitiveservices-textanalytics/src/models/mappers.ts
index ba8d4976b59f..a61bdd3d0f5c 100644
--- a/sdk/cognitiveservices/cognitiveservices-textanalytics/src/models/mappers.ts
+++ b/sdk/cognitiveservices/cognitiveservices-textanalytics/src/models/mappers.ts
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
diff --git a/sdk/cognitiveservices/cognitiveservices-textanalytics/src/models/parameters.ts b/sdk/cognitiveservices/cognitiveservices-textanalytics/src/models/parameters.ts
index 91e0f034e416..b7fd7c211d00 100644
--- a/sdk/cognitiveservices/cognitiveservices-textanalytics/src/models/parameters.ts
+++ b/sdk/cognitiveservices/cognitiveservices-textanalytics/src/models/parameters.ts
@@ -1,7 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for
- * license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is
diff --git a/sdk/cognitiveservices/cognitiveservices-textanalytics/src/textAnalyticsClient.ts b/sdk/cognitiveservices/cognitiveservices-textanalytics/src/textAnalyticsClient.ts
index fca998335222..621045b1b55a 100644
--- a/sdk/cognitiveservices/cognitiveservices-textanalytics/src/textAnalyticsClient.ts
+++ b/sdk/cognitiveservices/cognitiveservices-textanalytics/src/textAnalyticsClient.ts
@@ -1,7 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for
- * license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is
@@ -122,13 +121,13 @@ class TextAnalyticsClient extends TextAnalyticsClientContext {
   /**
    * @param callback The callback
    */
-  sentiment(callback: msRest.ServiceCallback<any>): void;
+  sentiment(callback: msRest.ServiceCallback<Models.SentimentBatchResult>): void;
   /**
    * @param options The optional parameters
    * @param callback The callback
    */
-  sentiment(options: Models.TextAnalyticsClientSentimentOptionalParams, callback: msRest.ServiceCallback<any>): void;
-  sentiment(options?: Models.TextAnalyticsClientSentimentOptionalParams | msRest.ServiceCallback<any>, callback?: msRest.ServiceCallback<any>): Promise<Models.SentimentResponse> {
+  sentiment(options: Models.TextAnalyticsClientSentimentOptionalParams, callback: msRest.ServiceCallback<Models.SentimentBatchResult>): void;
+  sentiment(options?: Models.TextAnalyticsClientSentimentOptionalParams | msRest.ServiceCallback<Models.SentimentBatchResult>, callback?: msRest.ServiceCallback<Models.SentimentBatchResult>): Promise<Models.SentimentResponse> {
     return this.sendOperationRequest(
       {
         options
@@ -241,10 +240,9 @@ const sentimentOperationSpec: msRest.OperationSpec = {
     200: {
       bodyMapper: Mappers.SentimentBatchResult
     },
-    500: {
+    default: {
       bodyMapper: Mappers.ErrorResponse
-    },
-    default: {}
+    }
   },
   serializer
 };
diff --git a/sdk/cognitiveservices/cognitiveservices-textanalytics/src/textAnalyticsClientContext.ts b/sdk/cognitiveservices/cognitiveservices-textanalytics/src/textAnalyticsClientContext.ts
index 9d3b8c238aef..c8784c7854b3 100644
--- a/sdk/cognitiveservices/cognitiveservices-textanalytics/src/textAnalyticsClientContext.ts
+++ b/sdk/cognitiveservices/cognitiveservices-textanalytics/src/textAnalyticsClientContext.ts
@@ -1,7 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for
- * license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is