title: Simple Example of Custom Annotations using Symfony2
body: <p>I am familiar with the <a href="http://docs.doctrine-project.org/projects/doctrine-common/en/latest/reference/annotations.html#annotation-classes" rel="noreferrer">Doctrine Documentation</a> about custom annotations, but I am looking for a simple example.</p>
  
  <p>I would like to create an entry in a audit table using an annotation (user, date, action, etc.) when a user creates or updates a widget.</p>
  
  <p>Can you point me to a simple example?</p>