deliverysystem.php

<?php
 
 
namespace Bitrix\Sale\Rest\Synchronization\Loader;
 
 
use Bitrix\Main\ArgumentException;
 
class DeliverySystem extends Entity
{
    public function getFieldsByExternalId($xmlId)
    {
        if($xmlId === "")
        {
            return null;
        }
 
        foreach(\Bitrix\Sale\Delivery\Services\Manager::getActiveList() as $row)
        {
            if($xmlId == $row['XML_ID'])
                return $row['ID'];
        }
 
        return null;
    }
 
}