SAP Function RPM_GET_GROUPLIST - get the list of groups (e.g. cost element group) in CO area

Parameter	Reference	Type	Length	Default	Optional	Text
IT_COAREA	RPM_TT_COAREA_LIST	h	26			Controlling Areas: Key Fields

Parameter	Reference	Type	Length	Text
ET_GROUPLIST	RPM_TT_FICO_GRPLIST	h	43	Group List
ET_MSG	RPM_TT_MESSAGE	h	251	Table type: Message Structure
EV_RET_CODE	SYST-SUBRC	I	4	Return Value of ABAP Statements