SAP ABAP Class CL_PUR_PURCHASEORDER_CHGRQ_MAP (SO change from PO INPUT MAPPING) is using

• Class (71)
• Data Element (29)
• Table/Structure Field (92)
• Function Module (4)
• Interface (6)
• Message Class (1)
• Message Number (5)
• Class Method (79)
• Table (60)

#	Object Type	Object Name	Object Description	Note
1	Function Module	CONVERSION_EXIT_ALPHA_INPUT	Conversion exit ALPHA, external->internal
2	Function Module	GUID_CREATE	Create GUID ('globally unique ID')
3	Function Module	GUID_CREATE	Create GUID ('globally unique ID')
4	Function Module	GUID_CREATE	Create GUID ('globally unique ID')