SAP ABAP Data Element HRBAS_ADD_LEVEL (Additional Level of Detail) is used by

• Class (3)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_HRBAS_MESSAGE_HANDLER	Message Handler	SP00_ITF	BASIS	SAP_BASIS
2	Class	CL_HRBAS_MESSAGE_LIST	HR-PD Infotypes: Messages	SP00_ITF	BASIS	SAP_BASIS
3	Class	CL_HRTNM_MESSAGE_LIST	Message list class for TNM IT class	P99S_TNM	HR	SAP_HRCFR