| Input Parameters | Significance |
| DtvLong idm | mask Id |
| DtvLong idf | field Id |
| char *tit | title entry of the field |
| Output Parameters | Significance |
| no | - |
| Return Code | Significance |
| 0 | no error |
The function may only be called after the field has been assigned to a mask via dal_mas_ins_fld.
In lists the field title is the column header of a field and in forms it is the heading for the field window.