title: How to tell Jenkins about multiple SCM via Jenkinsfile
body: <p>To build my project, I need to pull 3 git repositories.</p>
  
  <p>In the stage view, I only see the commits from 1 of those 3 git repositories.</p>
  
  <p><a href="https://i.stack.imgur.com/6aRiZ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/6aRiZ.png" alt="Screenshot Jenkins Stage View"></a></p>
  
  <p>How can I tell Jenkins about the other 2 repos?</p>