SAP Function RPTRA_MAINFORM_UPDATE_STRUCTUR - Function module to update the structure IMPORT EXPORT CHANGING TABLES EXCEPTIONS DOCUMENTATION NOTES Parameter Reference Type Length Default Optional Text MAINFORM T51T8-TXFRM C 16 Tax form FunctionalityThis function module gets the mainform name and updates the DDICstructure with the latest configuration. This must be called only aftermaking sure that there are changes required to the DDIC structure.