Using the system OAuth token in Azure DevOps

One of the new YAML pipeline steps I prepared recently involved interaction with work items. I wanted to add the comments to the task (with the task ID extracted from some file). So, I created a PowerShell step that was executing Invoke-WebRequest (with try/catch logic, obviously), the process finished successfully, but nothing happened. I mean – the comments were not there. Uhmmmm, why?!

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