syncdeleterule.php

См. документацию.

<?php
 
namespace Bitrix\Calendar\Access\Rule;
 
use Bitrix\Calendar\Core;
use Bitrix\Calendar\Access\Model\SyncModel;
use Bitrix\Main\Access\AccessibleItem;
use Bitrix\Main\Access\Rule\AbstractRule;
 
final class SyncDeleteRule extends AbstractRule
{
    public function execute(AccessibleItem $item = null, $params = null): bool
    {
        if (!$item instanceof SyncModel)
        {
            return false;
        }
 
        if ($this->user->isAdmin())
        {
            return true;
        }
 
        return $item->getEntityType() === Core\Role\User::TYPE && $item->getEntityId() === $this->user->getUserId();
    }
}