Optionally override the default description that is generated for the new OrderLine. If specified, this OrderLine will not be stacked on any existing OrderLines in the Order of the same Product (unless they use the same Description). Instead, a new OrderLine will be created.
This will always create a new line, regardless of whether a line with the same product ID was found in the order.
Entity type: Order
Specify this field to add the new line as a child of the specified parent Entity type: OrderLine
Entity type: Product
Max: 9000
Entity type: StockLabel
If the product allows its price to be modified, you can specify the desired price using this field.
Extended payload to create a temporary placeholder while adding a product to an order
IAddProductToOrderWithPlaceholder