title: Get an environment variable into a WiX property
body: <p>Is there a way to get an environment variable into a WiX property?</p>
  <p>I'm trying to get the <code>USERPROFILE</code> with:</p>
  <pre><code>Property Id=&quot;UserFolder&quot;  Value=&quot;$(env.USERPROFILE)\EdwardsApp\MyFolder&quot;
  </code></pre>
  <p>But this only picks up the <code>USERPROFILE</code> of the build machine where the installer is built.</p>
  <p>I want it to use the <code>USERPROFILE</code> of the machine where the app is being installed.</p>