how to add activityType in app manifest

Radhika Mendhe 1 Reputation point

"topic": {
"source": "entityUrl",
"value": "{teamid}"

"previewText": {
    "content": "New Task Created"
"recipient": {
    "@odata.type": "microsoft.graph.aadUserNotificationRecipient",
    "userId": "232454678"
"templateParameters": [
        "name": "taskId",
        "value": "12322"


when i try to send notification to msteam bot using graph api(postman) it gave me below type of error ,so how to resolve this problem.

"error": {
"code": "BadRequest",
"message": "Specified activity with type 'message' could not be found in the app manifest.",
"innerError": {
"date": "2021-09-08T10:15:35",
"request-id": "1042e7c5-38b4-4c38-8e32-15970f668121",
"client-request-id": "1042e7c5-38b4-4c38-8e32-15970f668121"

Microsoft Graph
Microsoft Graph
A Microsoft programmability model that exposes REST APIs and client libraries to access data on Microsoft 365 services.
11,051 questions
Microsoft Teams Development
Microsoft Teams Development
Microsoft Teams: A Microsoft customizable chat-based workspace.Development: The process of researching, productizing, and refining new or existing technologies.
2,963 questions
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1 answer

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  1. 2022-06-16T13:44:21.953+00:00

    Hi, any update on this forum? I am also facing the same issue. once manifiest file is uploaded APP studio remove the Activities section, due to that I cannot testing the SendActivityNotification

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