Solution : https://service.sap.com/sap/support/notes/1320200 (SAP Service marketplace login required)
Key words :
achieve customer defined fields, add user-defined fields, adding user-defined fields, add user defined fields, terms customizing fields, explains similar steps, white paper explaining, -hr based entities, white paper attached, user-defined
Related Notes :
| 1469683 | Enable custom defined fields on response/enh. plan |