pr-completion-task-template.yaml

steps:  
  - task: InvokeRESTAPI@1
    displayName: "Wait for deployment completion"
    inputs:
      connectionType: connectedServiceName
      serviceConnection: azdo-pr-connection
      method: 'PATCH'
      urlSuffix: '/pullRequests/$(pr_num)/properties?api-version=6.0-preview.1'
      headers: '{"Content-Type":"application/json-patch+json", "Authorization": "Bearer $(System.AccessToken)"}'
      body: '[{"op":"add","path":"/callback-task-id","from":null,"value":"{\"taskid\":\"$(System.TaskInstanceId)\", \"jobid\":\"$(System.JobId)\", \"planurl\":\"$(System.CollectionUri)\",  \"planid\":\"$(System.PlanId)\", \"projectid\":\"$(System.TeamProjectId)\", \"pr_num\":\"$(pr_num)\"}"}]'
      waitForCompletion: 'true'
      completionEvent: 'Callback'