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Power Platform Community / Forums / Power Automate / retrieving series mast...
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retrieving series master ID from trigger: 'When a new event is created (V3)' outook 365

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Hi there,

I am trying to have calendar events populate a sharepoint list once created as an event in an outlook calendar in 365.

I need to know if the event is part of a series or not, and if it is to follow a different flow (collecting info like how many occurences, first and last occurences etc).

To do this I need the series master id of the trigger event- something not natively included in the trigger.

To circumnavigate this I set up an HTTP request to get the event details.

I set up app permissions and a client secret in azure/entra:

API / Permissions name
 
Type
 
Description
 
Admin consent required
 
Status
 
 
 
Microsoft Graph (3)
 
 
admin consent required
 
 
 
 
 
Calendars.Read
Application
Read calendars in all mailboxes
Yes
 
 Granted for XYZ
 
 
 
 
Calendars.ReadWrite
Application
Read and write calendars in all mailboxes
Yes
 
 Granted for XYZ
 
 
 
 
User.Read
Delegated
Sign in and read user profile
No
 
 Granted for XYZ
 
 

after the event triggers I have the HTTP action:
URI: https://graph.microsoft.com/v1.0/users/(tried placing email/dynamic link/idhere)/events/(dynamic link to trigger id output)
Method: GET
Authentication type: Active Directory OAuth
Tennant: 1231231c-aa1b-123a-abc9-1a2d1d12345a (dummy code stand in)
Audience: https://graph.microsoft.com
Client ID: 1234a1aa-a12b-12aa-1ab2-a1c12de0c1a2 (dummy code stand in)
Credential Type: Secret
Secret: (the code)

No matter what I try I get error:
The error occurred because the resource 'user@organisation.com' was not found. To fix the error, check if the resource exists and ensure that the correct resource identifier is used in the flow.
user@organisation.com is my account though.
- and is the owner of the calendar the event triggers from.

Any suggestions on what is going wrong? /how to fix?

Or any other way to get the series master ID of the trigger event?

thanks in advance

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  • Nived_Nambiar Profile Picture
    18,136 Super User 2026 Season 1 on at

    Hi @zizzer 

     

    did you tried using http request action which is coming under Outlook 365 actions ?

    Thanks & Regards,

    Nived N 🚀

    LinkedIn: Nived N's LinkedIn
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    🔍 Found my answer helpful? Please consider marking it as the solution!
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