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	Class	CL_ABAP_FORMAT	Tools for Formatting
2	Class	CL_ABAP_SYST	Safe Determination of SYST Values
3	Class	CL_AC_MESSAGE_TYPE_PCP	ABAP Channels message type Push Channel Protocol (PCP)
4	Class	CL_AMC_CHANNEL_MANAGER	ABAP Messaging Channel Manager
5	Class	CL_AMC_CHANNEL_UTILITY	ABAP Messaging Channel utility
6	Class	CL_APC_WS_SYSTEM_MESSAGES	ABAP Push Channel for system messages
7	Class	CL_APC_WS_SYSTEM_MESSAGES	ABAP Push Channel for system messages
8	Class	CX_AC_MESSAGE_TYPE_PCP_ERROR	ABAP Channels message type Push Channel Protocol error
9	Class	CX_AMC_ERROR	Error handling class for ABAP Messaging Channels (AMC)
10	Class	CX_APC_ERROR	APC framework: Error handling class for ABAP Push Channel
11	Class	CX_APC_WS_SYSTEM_MESSAGES	APC WS system message exception class
12	Class	CX_APC_WS_SYSTEM_MESSAGES	APC WS system message exception class
13	Class	CX_APC_WS_SYSTEM_MESSAGES	APC WS system message exception class
14	Class	CX_ROOT	Abstract Superclass for All Global Exceptions
15	Class	CX_ROOT	Abstract Superclass for All Global Exceptions
16	Class	CX_STATIC_CHECK	Exceptions with Static and Dynamic Check of RAISING Clause
17	Class	CX_STATIC_CHECK	Exceptions with Static and Dynamic Check of RAISING Clause