Solution : https://service.sap.com/sap/support/notes/553722 (SAP Service marketplace login required)
Key words :
includereference type = blankcomponent type = ci_bbp_item_confdata type = blankyou, support package sapku30013, user-defined fields, extend structure bbps_conf_item_badi, prerequisites fields, structure et_item, transfer structure, badi bbp_doc_change_badi, method bbp_conf_change, badi reason
Related Notes :
| 458591 | User-defined fields: Preparation and use |