byusergroup.php

См. документацию.

<?php
namespace Bitrix\Sale\Delivery\Restrictions;
 
use Bitrix\Sale;

class ByUserGroup extends \Bitrix\Sale\Services\Base\UserGroupRestriction
{
    protected static function getEntityTypeId()
    {
        return \Bitrix\Sale\Internals\UserGroupRestrictionTable::ENTITY_TYPE_SHIPMENT;
    }

    protected static function getOrder(Sale\Internals\Entity $entity)
    {
        if ($entity instanceof Sale\Shipment)
        {
            $collection = $entity->getCollection();

            return $collection->getOrder();
        }
        elseif ($entity instanceof Sale\Order)
        {
            return $entity;
        }
 
        return null;
    }
}