title: Azure DevOps pipeline task to update a file and check-in TFS
body: <p>I'm using the Azure Dev OPS to trigger the build and deploy. I have angular code in GIT branch from which the build will be triggered and based on build# I need to update a file in TFS and check-in the same. </p>
  
  <p>I have added the PowerShell task to read the build# from GIT branch. But I don't know the further steps to update the file and check-in the same in TFS branch. </p>
  
  <p>Please suggest PowerShell commands to achieve the ablove mentioned tasks.</p>