| Input Parameters | Significance |
| DtvLong idf | field Id |
| DtvLong log | boolean value as search term |
| Output Parameters | Significance |
| no | - |
| Return Code | Significance |
| 0 | no error |
| -1 | field Id is NULL |
| 3 | wrong field type |
You can write boolean values only in the query buffer of fields of the type boolean.
When you enter log = 0, DataView sets the toggle to > OFF < (displayed as > n < ), when you enter any other value for log, the toggle is set to > ON < (displayed as > y < ).