Notifications on Teams Tab not working

Question

Hi,

I'm developing a Teams App based on a Tab (no team, no bot, just a Tab).
I'm trying to send notifications to the app but I get the following error:
"message": "The app installation id, 'XXX', provided in the topic is not a valid app installation id.",

The access token is working fine, but I can't find any info about this error. I added the permissions as are specified here: https://learn.microsoft.com/en-us/graph/api/userteamwork-sendactivitynotification?view=graph-rest-1.0&tabs=http

My request is this: https://graph.microsoft.com/v1.0/users/MYUSERID/teamwork/sendActivityNotification

And my request body is the following:

{  
    "topic": {  
        "source": "entityUrl",  
        "value":  
        "https://graph.microsoft.com/v1.0/users/MYUSERID/teamwork/installedApps/XXX"  
    },  
    "activityType": "messages",  
    "previewText": {  
        "content": "New Task Created"  
    },  
    "templateParameters": [  
        {  
        "name": "taskId",  
        "value": "Task 12322"  
        }  
    ]  
}  

My ID for the app is the id showed on azure, but I can't do nothing with this error.

Thank you in advance!

Answer 1

Adding answer from comment section for more visibility.

You have to use the INSTALLATION ID of the app instead of APP ID

You have to recover the INSTALLATION ID of the app.

You can recover it on the next endpoint:
https://graph.microsoft.com/v1.0/users/{USERID}/teamwork/installedApps?$expand=teamsApp,teamsAppDefinition&$filter=teamsApp/externalId eq '{APP ID OF THE MANIFEST}'

Ref Doc: https://learn.microsoft.com/en-us/graph/api/userteamwork-list-installedapps?view=graph-rest-1.0&tabs=http#example-3-get-the-app-installation-resource-based-on-the-manifest-id-of-the-associated-app

Thanks,
Nivedipa

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