diff --git a/samples/javascript_nodejs/51.teams-messaging-extensions-action/bots/teamsMessagingExtensionsActionBot.js b/samples/javascript_nodejs/51.teams-messaging-extensions-action/bots/teamsMessagingExtensionsActionBot.js
index f35995261c..9bd5ad67c4 100644
--- a/samples/javascript_nodejs/51.teams-messaging-extensions-action/bots/teamsMessagingExtensionsActionBot.js
+++ b/samples/javascript_nodejs/51.teams-messaging-extensions-action/bots/teamsMessagingExtensionsActionBot.js
@@ -1,19 +1,104 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-const { TeamsActivityHandler, CardFactory } = require('botbuilder');
+const { TeamsActivityHandler, CardFactory, TeamsInfo } = require('botbuilder');
 
 class TeamsMessagingExtensionsActionBot extends TeamsActivityHandler {
     handleTeamsMessagingExtensionSubmitAction(context, action) {
         switch (action.commandId) {
-        case 'createCard':
-            return createCardCommand(context, action);
-        case 'shareMessage':
-            return shareMessageCommand(context, action);
-        default:
-            throw new Error('NotImplemented');
+            case 'createCard':
+                return createCardCommand(context, action);
+            case 'shareMessage':
+                return shareMessageCommand(context, action);
+            default:
+                throw new Error('NotImplemented');
         }
     }
+
+    async handleTeamsMessagingExtensionFetchTask(context, action) {
+        try {
+           const member = await this.getSingleMember(context);
+           return {
+                task: {
+                    type: 'continue',
+                    value: {
+                        card: GetAdaptiveCardAttachment(),
+                        height: 400,
+                        title: 'Hello ' + member,
+                        width: 300
+                    },
+                },
+            };
+        } catch (e) {
+            if (e.code === 'BotNotInConversationRoster') {
+                return {
+                    task: {
+                        type: 'continue',
+                        value: {
+                            card: GetJustInTimeCardAttachment(),
+                            height: 400,
+                            title: 'Adaptive Card - App Installation',
+                            width: 300
+                        },
+                    },
+                };
+            }
+            throw e;
+        }
+       
+    }
+    async getSingleMember(context) {
+        try {
+           const member = await TeamsInfo.getMember(
+                context,
+                context.activity.from.id
+            );
+           return member.name;
+        } catch (e) {
+            if (e.code === 'MemberNotFoundInConversation') {
+                context.sendActivity(MessageFactory.text('Member not found.'));
+                return e.code;
+            } 
+            throw e;        
+        }   
+    }
+}
+
+function GetJustInTimeCardAttachment() {
+    return CardFactory.adaptiveCard({
+        actions: [
+            {
+                type: 'Action.Submit',
+                title: 'Continue',
+                data: { msteams: { justInTimeInstall: true } }
+            },
+        ],
+        body: [
+            {
+                text: 'Looks like you have not used Action Messaging Extension app in this team/chat. Please click **Continue** to add this app.',
+                type: 'TextBlock',
+                wrap: 'bolder'
+            },
+        ],
+        type: 'AdaptiveCard',
+        version: '1.0',
+    });
+}
+
+function GetAdaptiveCardAttachment() {
+    return CardFactory.adaptiveCard({
+        actions: [{ type: 'Action.Submit', title: 'Close' }],
+        body: [
+            {
+                text: 'This app is installed in this conversation. You can now use it to do some great stuff!!!',
+                type: 'TextBlock',
+                isSubtle: false,
+                warp: true
+            },
+        ],
+        type: 'AdaptiveCard',
+        version: '1.0',
+    });
 }
 
 function createCardCommand(context, action) {
@@ -21,25 +106,25 @@ function createCardCommand(context, action) {
     const data = action.data;
     const heroCard = CardFactory.heroCard(data.title, data.text);
     heroCard.content.subtitle = data.subTitle;
-    const attachment = { contentType: heroCard.contentType, content: heroCard.content, preview: heroCard };
+    const attachment = {
+        contentType: heroCard.contentType,
+        content: heroCard.content,
+        preview: heroCard,
+    };
 
     return {
         composeExtension: {
             type: 'result',
             attachmentLayout: 'list',
-            attachments: [
-                attachment
-            ]
-        }
+            attachments: [attachment]
+        },
     };
 }
 
 function shareMessageCommand(context, action) {
     // The user has chosen to share a message by choosing the 'Share Message' context menu command.
     let userName = 'unknown';
-    if (action.messagePayload.from &&
-            action.messagePayload.from.user &&
-            action.messagePayload.from.user.displayName) {
+    if (action.messagePayload?.from?.user?.displayName) {
         userName = action.messagePayload.from.user.displayName;
     }
 
@@ -48,28 +133,34 @@ function shareMessageCommand(context, action) {
     let images = [];
     const includeImage = action.data.includeImage;
     if (includeImage === 'true') {
-        images = ['https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQtB3AwMUeNoq4gUBGe6Ocj8kyh3bXa9ZbV7u1fVKQoyKFHdkqU'];
+        images = [
+            'https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQtB3AwMUeNoq4gUBGe6Ocj8kyh3bXa9ZbV7u1fVKQoyKFHdkqU',
+        ];
     }
-    const heroCard = CardFactory.heroCard(`${ userName } originally sent this message:`,
+    const heroCard = CardFactory.heroCard(
+        `${userName} originally sent this message:`,
         action.messagePayload.body.content,
-        images);
+        images
+    );
 
-    if (action.messagePayload.attachments && action.messagePayload.attachments.length > 0) {
+    if (action.messagePayload.attachments?.length > 0) {
         // This sample does not add the MessagePayload Attachments.  This is left as an
         // exercise for the user.
-        heroCard.content.subtitle = `(${ action.messagePayload.attachments.length } Attachments not included)`;
+        heroCard.content.subtitle = `(${action.messagePayload.attachments.length} Attachments not included)`;
     }
 
-    const attachment = { contentType: heroCard.contentType, content: heroCard.content, preview: heroCard };
+    const attachment = {
+        contentType: heroCard.contentType,
+        content: heroCard.content,
+        preview: heroCard
+    };
 
     return {
         composeExtension: {
             type: 'result',
             attachmentLayout: 'list',
-            attachments: [
-                attachment
-            ]
-        }
+            attachments: [attachment]
+        },
     };
 }
 
diff --git a/samples/javascript_nodejs/51.teams-messaging-extensions-action/teamsAppManifest/manifest.json b/samples/javascript_nodejs/51.teams-messaging-extensions-action/teamsAppManifest/manifest.json
index bf26138930..e68727d6d1 100644
--- a/samples/javascript_nodejs/51.teams-messaging-extensions-action/teamsAppManifest/manifest.json
+++ b/samples/javascript_nodejs/51.teams-messaging-extensions-action/teamsAppManifest/manifest.json
@@ -23,6 +23,18 @@
     "color": "icon-color.png"
   },
   "accentColor": "#FFFFFF",
+  "bots": [
+    {
+      "botId": "<<YOUR-MICROSOFT-APP-ID>>",
+      "needsChannelSelector": false,
+      "isNotificationOnly": false,
+      "scopes": [
+        "team",
+        "personal",
+        "groupchat"
+      ]
+    }
+  ],
   "composeExtensions": [
     {
       "botId": "<<YOUR-MICROSOFT-APP-ID>>",
@@ -30,7 +42,9 @@
         {
           "id": "createCard",
           "type": "action",
-          "context": [ "compose" ],
+          "context": [
+            "compose"
+          ],
           "description": "Command to run action to create a Card from Compose Box",
           "title": "Create Card",
           "parameters": [
@@ -57,7 +71,9 @@
         {
           "id": "shareMessage",
           "type": "action",
-          "context": [ "message" ],
+          "context": [
+            "message"
+          ],
           "description": "Test command to run action on message context (message sharing)",
           "title": "Share Message",
           "parameters": [
@@ -68,6 +84,16 @@
               "inputType": "toggle"
             }
           ]
+        },
+        {
+          "id": "FetchRoster",
+          "description": "Fetch the conversation roster",
+          "title": "FetchRoster",
+          "type": "action",
+          "fetchTask": true,
+          "context": [
+            "compose"
+          ]
         }
       ]
     }