title: Jira Cloud Filter: currentUser() mentioned in comment
body: <p>In Jira Cloud, I need to create a filter which shows all (open) issues where currentUser() is mentioned in comment.</p>
  
  <p>I installed Adaptavist Script Runner plugin (Cloud version), and i can filter all issues commented by currentUser(), like</p>
  
  <p><code>commentedBy = currentUser()</code></p>
  
  <p>however, how do i filter all issues where currentUser() is mentioned in the comments field - i.e. @username blah blah... ?</p>