/**
* creating a orderitem
*
* @param OrderItem $orderItem
* @param string $serialNo
* @param string $description
* @param Kit $kit
*
* @return Ambigous <SellingItem, SellingItem>
*/
public static function create(OrderItem &$orderItem, $serialNo, $description = '', Kit $kit = null)
{
$sellingItem = new SellingItem();
return $sellingItem->setOrderItem($orderItem)->setSerialNo(trim($serialNo))->setDescription(trim($description))->setKit($kit)->save();
}
