sharingtrait.php

См. документацию.

<?php
 
namespace Bitrix\Calendar\Access\Rule\Traits;
 
use Bitrix\Calendar\Sharing\Link\EventLink;
use Bitrix\Calendar\Sharing\Link\Factory;
 
trait SharingTrait
{
    private function isEventLinkOwner(int $eventId, int $userId): bool
    {
        $result = false;
        $eventLink = Factory::getInstance()->getEventLinkByEventId($eventId);
        if ($eventLink)
        {
            $result = $eventLink->getOwnerId() === $userId;
        }
 
        return $result;
    }
}