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I have a flow that ingests items from a Sharepoint list based on certain criteria and puts the information into a table. I then want to add this table to the body of the next meeting in a meeting series. I have all the steps to identify the correct meeting id, etc. At the end of my flow is the Update Event (v4) action, which adds to the meeting body the table I created earlier and some set text about the meeting agenda.
This meeting series is a Teams meeting series, created out of a Shared Teams Channel. The meeting organizer in Teams is the same account as the one running the Flow.
My issue is that the Flow runs, claims it ran successfully, but the meeting is not updated for the attendees. Based on my investigation, my best guess is that Update Event (v4), being an Outlook action, is attempting to update the meeting in Outlook - where the meeting organizer is the Channel Name and not the account that created the meeting in Teams. So it doesn't have permission to update the meeting for everyone through Outlook.
I did see this post where someone talked about using Graph API to update Teams meetings, but I'm very new to Graph and can't figure out how to make this work. I keep getting a permission error for Calendars.ReadWrite and even though Admin consent required = No, it still prompts me to ask my Admin for consent.
I'm really at a loss as to how to do this... it would be so simple if I had a normal meeting organized from an outlook calendar, but as soon as I want to do something crazy like take advantage of the full suite and capability of MS products, I hit dead-end after dead-end when I try to automate it.