You cannot add an extension field to the Identification Region in purchase order via the Adaptation Mode or Personalize -> This Screen.
Reproducing the Issue
- Go to the work center Purchase Requests and Orders.
- Go to the view Purchase Orders.
- Mark the relevant purchase order and choose Edit.
- Choose Adapt -> Adaptation Mode.
- Choose Adapt -> This Screen.
- Choose the section Extension Fields.
- Under Sections Enabled for Extension Fields, the Identification Region is not listed.
This is not possible to add a field to the Identification Region for all documents in Business ByDesign. This is not supported.
KBA , AP-PRP , Purchase Request Processing , How To