title: Team Build's build number and $(Rev:.r)
body: <p>TFS Build 2010 uses an internal build number. It's similar to <code>$(Rev:.r)</code>. <code>$(Rev:.r)</code> increases in each day while internal build number are increased in other way.</p>
  
  <p>The questions are:</p>
  
  <ol>
  <li>What is the official name of the <code>internal build number</code>?</li>
  <li>How to access <code>internal build number</code> in macro format in order to use it in "Build Number Format" within the build definition?</li>
  <li>The internal number is only shown when a build fails and is only accessible via <code>BuildDetail</code> variable in team build process templates. It is not shown and could not be searched in Build Explorer. How can I get it shown and search-able in Build Explorer?</li>
  <li>How this <code>internal build number</code> increases? With each build among all definitions? In a total project collection?</li>
  </ol>