post https://domain_prefix.vendhq.com/api/2.0/consignments//products
Add a product to the given consignment.
If the type is SUPPLIER then:
- Cannot add a product to a
RECEIVED
orCANCELLED
order - Cannot add a composite product to the order
- If a received value is provided for a consignment product for a SENT Supplier Order - the order will be automatically marked as DISPATCHED