title: Trouble Getting Changeset Details With Powershell From Within CI Build
body: <p>I am trying to implement the powershell code that is mentioned in the answer to the following question.
  <a href="https://stackoverflow.com/questions/53227343/triggering-azure-devops-builds-based-on-changes-to-sub-folders">Triggering Azure DevOps builds based on changes to sub folders</a></p>
  
  <p>My simple attempt to access DevOps results in the following error.
  <a href="https://i.stack.imgur.com/bqkVm.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/bqkVm.png" alt="enter image description here"></a></p>
  
  <p>This is the simple powershell code I am trying first. It is the code that caused the error depicted above.</p>
  
  <p><code>tf changeset /collection:"https://*******.visualstudio.com/******************" 25490</code></p>
  
  <p><a href="https://i.stack.imgur.com/5x8vf.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/5x8vf.png" alt="enter image description here"></a></p>