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Copper Contributor

Jul 04, 2023

call Graph API from Teams Tab

I am using sample application for Teams Tab. I want to call Graph API for notification. So I found example which show me how to get token : function getSSOToken() { return new Promise((resolve, r...

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microsoft teams

alexisconia

MVP

Jul 05, 2023

Hi vovanb,

You cannot use the token returned by getAuthToken directly to interact with Microsoft Graph. As mentioned in this documentation

The token contains some claims about the user's identity. You have to convert the token to an access token with your backend (similar to "on behalf of" OAuth flow).

vovanb
Copper Contributor
Jul 05, 2023
Hi Alexis,
so I need to do something similar to below examples:
https://github.com/OfficeDev/Microsoft-Teams-Samples/blob/main/samples/app-complete-auth/csharp/AppCompleteAuth/helper/AuthHelper.cs
or
https://github.com/OfficeDev/Microsoft-Teams-Samples/blob/main/samples/tab-sso/csharp/TeamsTabSSO/Helper/SSOAuthHelper.cs

Thanks
- alexisconia
  MVP
  Jul 05, 2023
  Hi vovanb,
  
  Yes, if your backend is implemented with ASP .net core, you have middleware to simplify all the process https://learn.microsoft.com/en-us/azure/active-directory/develop/scenario-web-api-call-api-call-api?tabs=aspnetcore&WT.mc_id=M365-MVP-4039677

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call Graph API from Teams Tab

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