DialogIdFiller.php

См. документацию.

<?php
 
namespace Bitrix\Im\V2\Pull\Event;
 
use Bitrix\Im\V2\Chat;
use Bitrix\Im\V2\Pull\Dto\Diff;
 
trait DialogIdFiller
{
    abstract public function getTarget(): ?Chat;
 
    protected function getDiffByUser(int $userId): Diff
    {
        return new Diff($userId, ['dialogId' => $this->getTarget()?->getDialogId($userId)]);
    }
}