websocket.Session-jakarta.websocket.EndpointConfig-">onOpen</a></span>(<a href="../../../jakarta/websocket/Session.html" title="interface in jakarta.websocket">Session</a>&nbsp;session,
      <a href="../../../jakarta/websocket/EndpointConfig.html" title="interface in jakarta.websocket">EndpointConfig</a>&nbsp;config)</code>
<div class="block">Developers must implement this method to be notified when a new conversation has just begun.</div>
</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a name="