Solution : https://service.sap.com/sap/support/notes/1071365 (SAP Service marketplace login required)
Key words :
include user-defined fields, customer-defined fields, customer-defined data, easy enhancement workbench, sales contract solution, bapi structure bapiparex, bapi structure, sales order, service contract, business data
Related Notes :
| 143580 | Information on SD BAPIs and customer enhancement concept |