SAP ABAP Data Element PS_GUID_EXTERNAL_KEY (External Key for PS Object) is used by

• Function Module (2)
• Table (4)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Table	PSGUID - EXT_KEY	GUIDs for Project Definition	CNIF_GUID	PI_APPL	SAP_APPL
2	Table	PSGUIDBT - EXT_KEY	Document Table for PS GUIDs	CNIF_GUID	PI_APPL	SAP_APPL
3	Table	PSGUID_TS_OBJ_KEY - EXT_KEY	Object Key (External, Internal, Obj. No.) of GUID Link	CNIF_GUID	PI_APPL	SAP_APPL
4	Table	PSGUID_TS_OBJ_KEY - EXT_KEY_OLD	Object Key (External, Internal, Obj. No.) of GUID Link	CNIF_GUID	PI_APPL	SAP_APPL