SAP ABAP Data Element UDYM2 (Menu field: master maintenance) is used by

• Table (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Table	RSUD9 - M2	Internal Screen Fields	SDUM	BASIS	SAP_BASIS
2	Table	RUDY9 - M2	Internal Screen Fields	SDUM	BASIS	SAP_BASIS