| Parameter | Reference | Type | Length | Default | Optional | Text |
|---|---|---|---|---|---|---|
| FIELDNAME | SCRFNAME | C | 132 | X | Name of a Screen Element | |
| LINE | SYTABIX | I | 4 | X | Internal Tables; Current Line Index | |
| MSGID | SYMSGID | C | 20 | SY-MSGID | X | Messages, Message Class |
| MSGNR | SYMSGNO | N | 3 | SY-MSGNO | X | Messages, Message Number |
| MSGTY | SYMSGTY | C | 1 | SY-MSGTY | X | Messages, Message Type |
| MSGV1 | 0 | SY-MSGV1 | X | Messages, Message Variable | ||
| MSGV2 | 0 | SY-MSGV2 | X | Messages, Message Variable | ||
| MSGV3 | 0 | SY-MSGV3 | X | Messages, Message Variable | ||
| MSGV4 | 0 | SY-MSGV4 | X | Messages, Message Variable |