order.php

См. документацию.

<?php
 
namespace Bitrix\Sale\Exchange\Entity\SubordinateSale;
 
class Order extends \Bitrix\Sale\Exchange\Entity\OrderImport
{
    static public function getBasketItemByItem(\Bitrix\Sale\BasketBase $basket, array $item)
    {
        foreach($basket as $basketItem)
        {
            if($item['ID'] == $basketItem->getField('PRODUCT_XML_ID'))
            {
                return $basketItem;
            }
            else
                continue;
        }
        return false;
    }

    protected function entityCreateByFactory($typeId)
    {
        return \Bitrix\Sale\Exchange\Entity\SubordinateSale\EntityImportFactory::create($typeId);
    }
}