<server_config>
  <plugins>
    <plugin entity_name="*"
            entity_type="world"
            filename="ignition-gazebo-user-commands-system"
            name="ignition::gazebo::systems::UserCommands">
    </plugin>
    <plugin entity_name="*"
            entity_type="world"
            filename="ignition-gazebo-scene-broadcaster-system"
            name="ignition::gazebo::systems::SceneBroadcaster">
    </plugin>
  </plugins>
</server_config>
