SAP ABAP Program LSO21TOP (LSO21TOP) is using

• Table/Structure Field (2)
• Message Class (1)
• Program (1)
• Table (8)

#	Object Type	Object Name	Object Description	Note
1	Table/Structure Field	SONV - FLAG	Text field length 1
2	Table/Structure Field	SYST - UCOMM	ABAP System Field: PAI-Triggering Function Code