 <pre class="example">proxy:<span class="function-name">connect_signal</span>(
  <span class="keyword">function</span> (p, x, y)
    <span class="global">assert</span>(p == proxy)
    <span class="global">print</span>(<span class="string">"SomeSignalName emitted with params: "</span>, x, y)
  <span class="keyword">end</span>,
  <span class="string">"SomeSignalName"</span>
)</pre>
    </ul>

</dd>
    <dt>
    <a name = "Proxy:on_properties_changed"></a>
    <strong>Proxy:on_properties_changed (callback)</st