Data Element list used by SAP ABAP Function Module FDT_F4_MSG (FM for messages / msg_class F4 help)
SAP ABAP Function Module FDT_F4_MSG (FM for messages / msg_class F4 help) is using
# Object Type Object Name Object Description Note
     
1 Data Element  BOOLE_D Data element for domain BOOLE: TRUE (='X') and FALSE (=' ') SOURCE VALUE(IV_ONLY_CLASSES) TYPE BOOLE_D DEFAULT ABAP_TRUE
2 Data Element  SYMSGNO Message Number SOURCE VALUE(IV_MSGNO) TYPE SYMSGNO OPTIONAL