Add Site Collection Admin
How to add the site collection admin role to a user in a single SharePoint Online site collection using a Power Automate flow.
URI
Headers
Body
Screenshot with example
Sample data
User Id – in my sample I am updating the role for Jane Doe, who has principalId 14 in my site collection.
Copy/paste example
Resources
User.IsSiteAdmin Property
Web.GetUserById method
That’s it, Happy testing!
