post deprecatedhttps://api.nitrobox.io/v2/orders//depositInvoice/purchaseItem
DEPRECATED: Use the line items endpoints instead. A request to create a new purchase item and add it to an existing order. The purchase item will be assigned to the closing invoice of a specific order given by the orderIdent. It represents a purchased product with its description, price and quantity. This endpoint is only usable for orders created with the field autoCreateDocument = DEPOSITINVOICE.