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

• Class (3)
• Function Module (1)
• PINF (3)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_APC_WS_EXT_ECHO Method: IF_APC_WS_EXTENSION~ON_START	Generated Testclass	SAPC_APPLICATION	BASIS	SAP_BASIS
2	Class	CL_APC_WS_SYSTEM_MESSAGES Method: PREPARE	ABAP Push Channel for system messages	SAPC_APPLICATION	BASIS	SAP_BASIS
3	Class	CL_APC_WS_SYSTEM_MESSAGES Method: SEND	ABAP Push Channel for system messages	SAPC_APPLICATION	BASIS	SAP_BASIS