Flarum\Event\ConfigureWebApp::isForum PHP Method

    public function isForum()
    {
        return $this->controller instanceof ForumWebAppController;
    }

 /**
  * Modifies the client view for the Forum.
  *
  * @param ConfigureWebApp $event
  */
 public function addForumAssets(ConfigureWebApp $event)
 {
     if ($event->isForum()) {
         $event->addAssets([__DIR__ . '/../../less/forum/chat.less', __DIR__ . '/../../js/forum/dist/extension.js']);
         $event->addBootstrapper('pushedx/realtime-chat/main');
     }
 }