isExistBasketItem

\Bitrix\Sale\ShipmentCollection::isExistBasketItem(
	\Bitrix\Sale\BasketItem $basketItem, $includeSystemShipment = false
);

Method checks if product is distributed by shipments. Non-static method.

Parameter	Description	Version
$basketItem	Product.
$includeSystemShipment	Flag that confirms verification product distribution in a system shipment.