13.9 17.45 20.44 27.29 10.6l37.1-37.1c59.28-59.26 59.28-155.7 0-214.96z"/>
      </svg></a> </h3>
<section aria-labelledby="toc_defining-a-controller">
<p>We only need to generate a Controller file if we want to customize the properties or provide any actions to the Route. If we have no customizations, Ember will provide a default Controller instance for us at run time.</p>
<p>To generate a controller, run</p>
<pre class="language-bash line-numbers"><code class="bash language-bash">ember generate controller