SAP ABAP Program SAPMSSY4 (Update Control) is using

• Data Element (1)
• Table/Structure Field (9)
• Message Class (1)
• Message Number (1)
• Program (2)
• Table (4)

#	Object Type	Object Name	Object Description	Note
1	Data Element	EQEUSRVB	Lock Owner, ID of Logical Unit of Work (LUW) /Update Task