SAP ABAP Class CL_WB2_PO_DISPLAY (Purchase Order: Display) is using

• Class (1)
• Data Element (4)
• Table/Structure Field (16)
• Function Module (2)
• Interface (2)
• Message Class (1)
• Message Number (2)
• Class Method (2)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Class Method	CL_WB2_ERROR - INSERT	Error Log
2	Class Method	IF_WB2_ACTION - DO	Action Classes