SAP ABAP Program RSDB4DDC (iSeries: Display Data Dictionary Information (Overview) within ST04) is using

• Table/Structure Field (52)
• Function Module (4)
• Message Class (2)
• Message Number (2)
• Table (12)
• View (3)

#	Object Type	Object Name	Object Description	Note
1	Message Class	D4	DB2/400 specific messages
2	Message Class	S1	Statistics / SAP Monitor