SAP ABAP Table WER_RULE_ELEMENT_HEADER_STY (Rule element header data) is used by

• Class (9)
• Interface (1)
• PINF (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_WER_ACTION_DB_ENRICHMENT	Rule engine action database enrichment	WER_BUSINESS	APPL	SAP_APPL
2	Class	CL_WER_ACTION_MESSAGE_LOG	Rule engine action message log	WER_BUSINESS	APPL	SAP_APPL
3	Class	CL_WER_ACTION_METHOD_CALL	Rule engine action method call	WER_BUSINESS	APPL	SAP_APPL
4	Class	CL_WER_ACTION_SIMPLE_MAPPING	Action simple mapping	WER_BUSINESS	APPL	SAP_APPL
5	Class	CL_WER_EXP_COMPARE	Comparison expression	WER_BUSINESS	APPL	SAP_APPL
6	Class	CL_WER_EXP_CONST	Adapter for IF_FDT_CONSTANT implementors	WER_BUSINESS	APPL	SAP_APPL
7	Class	CL_WER_EXP_METHOD_CALL	Rule engine expression method call	WER_BUSINESS	APPL	SAP_APPL
8	Class	CL_WER_RULE_ELEMENT	Rule Engine rule element	WER_BUSINESS	APPL	SAP_APPL
9	Class	CL_WER_RULE_ELEM_TREE_VIEW	Common services for rule element tree display	WER_UI	APPL	SAP_APPL