<?php declare(strict_types = 0); namespace Modules\Example_C; use Zabbix\Core\CModule, APP, CMenu; class Module extends CModule { /** * Initialize module. */ public function init(): void { $menu = APP::Component()->get('menu.main'); $menu ->find('Monitoring') ->getSubMenu() ->add( (new \CMenuItem('Dummy module'))->setAction('third.module') ); } }