| Input Parameters | Significance |
| DtvLong idb | button area Id |
| DtvLong row | row position of the button area |
| DtvLong col | column position of the button area |
| char *top | title of the button area |
| Output Parameters | Significance |
| none | - |
| Return Code | Significance |
| 0 | all ok |
| -1 | zero Id |
As opposed to the userexit dal_but_usx the function dal_but_map_but can output a toolbar with a changed title. The parameters row and col are ineffective. They only still exist for reasons of compatibility.
The function automatically invoke any set Button listener function.