Solution : https://service.sap.com/sap/support/notes/1306022 (SAP Service marketplace login required)
Key words :
call function 'conversion_exit_mequa_input' exporting input = <lsrcfield> importing output = ltmp, exporting par_index = lindex importing par_item = lrecord, exporting par_data = <ltrgfield> receiving par_name = ltypename, valuelong 20 parameter valueheading 20 valuethen save, concatenate par_srcstructname '-' par_srcprefix '_' <lsrcfieldname>, concatenate par_srcstructname '-' par_srcprefix '_' <lsrcfieldname>, concatenate par_srcstructname '-' par_srcprefix '_' <lsrcfieldname>, par_name = '/watp/arbdecloption' par_value = lfirstchar, par_name = '/watp/arbdecloption' par_value = loption, concatenate par_trgstructname '-' par_trgprefix '_' <ltrgfieldname>
Related Notes :
| 1122794 | Composite note SAP Waste & Recycling Applications by Prologa |