Hi,
In one of my flows I would like to add the functionality to delete test cases in DevOps. I put the DevOps http request action:

I am receiving the TF400813 - 'Unauthorized' error:


I took The URI address from the MS site:

In the DevOps I have the license type: Basic + Test Plans together with following permissions:

I can delete test cases manually in DevOps.
Can you please advise me what can be the issue here? Is there any way to modify my DevOps http request?
Thank you
Jacek