title: How to use sonata_type_model_autocomplete in a custom template?
body: <p>i have tried to use <strong>sonata_type_model_autocomplete</strong> in a create custom template using :</p>
  
  <pre><code>$builder-&gt;add('user', 'sonata_type_model_autocomplete', array('property'=&gt;'eMail'));
  </code></pre>
  
  <p>but it's not working , is there a different way to use it.</p>