How can I get the number or list of participants in a team meeting after it ends?

Question

• I created a meeting using /me/events, but after it ended, I used the /me/onlineMeetings/{meetingId}/attendanceReports endpoint but could not get any information.
• In the meeting information queried by the interface /me/onlineMeetings, attendees is also empty
• If these two apis cannot be used, are there other interfaces to obtain the number of participants or the list?

Answer 1

Hello @EXTERNAL Wu Shuang (DXC, BD/SWD-FSB2), I understand that you want to fetch attendance data for an event.

When you create meeting using /me/events this uses Outlook Calendar API, not the Teams Online Meeting API directly. Hence you cannot get attendanceReports from meetings created via /me/events

• /me/events is part of the Outlook Calendar API, used for scheduling general events or appointments and not necessarily Microsoft Teams meetings.

Hence you are facing the issue, and if you want to get attendance report, instead of using /me/events, use POST /me/onlineMeetings. Refer this Microsoft Document: Create onlineMeeting - Microsoft Graph v1.0 | Microsoft

And after creating onlineMeetings, you can get total number of participants in the meeting, like below:

https://graph.microsoft.com/v1.0/me/onlineMeetings/MeetingID/attendanceReports

And list the users and their details who joined the meeting:

https://graph.microsoft.com/v1.0/me/onlineMeetings/MeetingID/attendanceReports/AttendanceReportID/attendanceRecords

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Hope this helps!

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