How does "Add a Rejected prefix to the Xero Reference" work?

How does "Add a Rejected prefix to the Xero Reference" work?

Xero's API does not support changing the Purchase Order (PO) status to Draft after a rejection in ApprovalMax.
To address this limitation, ApprovalMax offers users the option to activate the Rejected Prefix feature, which distinguishes rejected requests from others within Xero.

Provided that the Organisation Administrator has allowed adding the Rejected prefix to the Reference field of Xero-originated documents, the Requester will see the prefix REJECTED if a document was rejected in ApprovalMax:



This way, such documents can be easily identified in Xero: