Identifiers and Classifications

You can add the following information for identification and classification purposes:

A description
Your e-commerce/order IDs
A parcel reference text
The product's class
A carrier ID

You add these as fields in the JSON for the relevant request.

The following table summarizes the relevant fields:

Field	Description
`description`	This is the description of the product being sold and will appear on the VAT invoice.
`product_class`	Used to specify if goods are physical or services. For example, 'P' = 'Physical Goods' or 'D' = 'Digital Goods' and 'S' = 'Services' (for example, for shipping or postage or insurance). See Product Classes.
`custom_id`	Identifier for the specific transaction line item. See Custom IDs.
`parcel_reference`	Identifier reference for the parcel. (This field is optional.)
`carrier_id`	Identifier for the postal carrier.

For example:

"description": "Example sale to GB.",
		"transaction_lines": [
			{
				"custom_id": "line_1",
				"amount": 150,
				"ship_from_address": {"country_code": "CN"},
				"product_class": "P",
				"description": "Goods #1",				
				"parcel_reference": "3897329872423",
				"carrier_id": "DHL", 
			},