SAP ABAP Table SMESGU (CO Message Handler: Internal Header Table Structure) is used by

• Function Module (4)
• Program (6)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	MESSAGES_COUNT	Determine number of collected messages in a line interval	SZZ	BASIS	SAP_BASIS
2	Function Module	MESSAGES_INITIALIZE	Delete messages collected up to now, collect future messages	SZZ	BASIS	SAP_BASIS
3	Function Module	MESSAGE_EXPORT_IMPORT	Specify Collected Messages Across Roll Area Limits	SZZ	BASIS	SAP_BASIS
4	Function Module	MESSAGE_SET_DEFAULTLINE	Store default line and heading for the following messages	SZZ	BASIS	SAP_BASIS