SAP ABAP Data Element MDUSRKEY (Object ID for recipient) is used by

• Class (1)
• Function Module (2)
• Table (2)
• View (1)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Table	T024D - USRKEY	MRP controllers	MD	APPL	SAP_APPL
2	Table	TXI_T024D - USRKEY	MRP controllers	ILM_CDE_APPL	APPL	SAP_APPL