SAP ABAP Class CL_APC_WS_SYSTEM_MESSAGES (ABAP Push Channel for system messages) is using

• Class (17)
• Data Element (14)
• Table/Structure Field (1)
• Function Module (1)
• Interface (9)
• Class Method (15)
• Table (1)

#	Object Type	Object Name	Object Description	Note
1	Function Module	SYSTEM_CALLSTACK	SYSTEM_CALLSTACK-