title: What is the syntax for setting a process property in a 'Run Groovy Script' step in urban code?
body: <p>My urban code process has a property called <code>'url'</code>.<br>
  The process also has a 'Run Groovy Script' step in it. This script builds a string.<br></p>
  
  <pre><code>def url = 'http://localhost:8443/dosomething'
  </code></pre>
  
  <p><strong>What is the syntax for setting this value to the process <code>'url'</code> property?</strong></p>