BasketItem::checkProductBarcodeAction

public function checkProductBarcodeAction(BitrixSaleBasketItem $basketItem, array $fields)
{
	$r = false;
	if ($basketItem)
	{
		$r = Provider::checkProductBarcode($basketItem, $fields);
	}

	if ($r)
		return true;
	else
	{
		$this->addError(new Error('barcode check failed',200150000010));
		return null;
	}

}