SAP ABAP Data Element RFCUSER (Explicit user ID) is used by

• Class (45)
• ECAT (1)
• Function Module (95)
• Interface (4)
• Program (28)
• Table (58)
• TTYP (1)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	TTYP	RFC_USER_RANGE	RFC_USER_RANGE	STTREL	BASIS	SAP_BASIS