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Permissions question: Flow --> Sharepoint Add-in, item level security

I am trying to read and write item level security in sharepoint online with Flow.  I have followed numerous examples.  I have even used tenant admin to give tenant Manage permissions through the Sharepoint Add-in.  I can successfully retrieve an access token, but no matter what combination of access permissions I give, Flow returns a Forbidden error when trying to read or update item level security.


I know that Flow uses the Sharepoint\App account, do I need to do something special with that account?


Permission scope:

<AppPermissionRequests AllowAppOnlyPolicy="true">
<AppPermissionRequest Scope="http://sharepoint/content/tenant" Right="Manage" />
<AppPermissionRequest Scope="http://sharepoint/content/sitecollection" Right="FullControl" />


I post to ""

I receive an access token

I use the token to post to'xxxxx')/items(1)/roleassignments/

I get Access Denied

I even get access denied if I try to get the site title ("$select=Title")


What am I missing?


Thanks in advance


Accepted Solutions

Are you using the http request action from the sharepoint connector or the one from the http connector?

View solution in original post


Are you using the http request action from the sharepoint connector or the one from the http connector?

I'm using the HTTP connector. 


Should I be using the "Send an HTTP to Sharepoint" connector?

I changed the HTTP connector I'm using to the Sharepoint HTTP connector and I'm starting to see some good results.  I believe this may be the solution.  


Thank you for pointing me in the right direction.

The SharePoint version handles all the painful authentication troubles.

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