Notifier.php

<?php
 
namespace Bitrix\UI\NotificationManager;
 
use Bitrix\Main\Loader;
use Bitrix\Pull\Event;
 
class Notifier
{
    public static function notify(int $userId, Notification $notification): bool
    {
        if (!Loader::includeModule('pull'))
        {
            return false;
        }
 
        return Event::add($userId, [
            'module_id' => 'ui',
            'command' => 'notify',
            'params' => [
                'notification' => $notification,
            ],
        ]);
    }
}