The purchase order accounting metadata object

Attribute	Description
id	Unique identifier for the object.
integration_type	The type of the accounting integration. Possible values are “xero” and “quickbooks”.
bill_id	The ID of the bill.
created_at	The timestamp when the purchase order was created.
purchase_order_id	The ID of the purchase order the object belongs to.
received_items_group_id	The ID of the group of items billed.