Cursor for pagination. Use this to fetch the next set of results.
The cursor is an opaque string returned in the previous response's metadata.
Leave empty for the first request.

You can choose to filter items on specific fields.
Available fields and operators:

• id, customer_id: lt, lteq, gt, gteq, eq, not_eq, in, not_in
• document_type: eq, not_eq, in, not_in

Available document_types:

• proforma
• shipping_order
• purchasing_order

You can choose to sort items on specific attributes
Sort field may be prefixed with - for descending order.
Example : id will sort by ascending order, -id will sort by descending order.
Available fields : id