Changes to Update Purchase Order Status

request property purchase_order_status was restricted to a list of enum values

the request property purchase_order_status became required

added the new optional request property attachments

added the new APPROVED enum value to the request property purchase_order_status

added the new CANCELED enum value to the request property purchase_order_status

added the new CLOSED enum value to the request property purchase_order_status

added the new DRAFT enum value to the request property purchase_order_status

added the new FULFILLED enum value to the request property purchase_order_status

added the new INVOICED enum value to the request property purchase_order_status

added the new PAID enum value to the request property purchase_order_status

added the new PARTIALLY_FULFILLED enum value to the request property purchase_order_status

added the new REJECTED enum value to the request property purchase_order_status

added the new SENT_TO_VENDOR enum value to the request property purchase_order_status

added the new SUBMITTED enum value to the request property purchase_order_status

added the new VENDOR_APPROVED enum value to the request property purchase_order_status

added the new VENDOR_REJECTED enum value to the request property purchase_order_status

added the new WORK_COMPLETED enum value to the request property purchase_order_status

added the media type application/json for the response with the status 200