| Input Parameters | Significance |
| DtvLong idf | field Id |
| Output Parameters | Significance |
| no | - |
| Return Code | Significance |
| data type of the field: | |
| A | ASCII file, (type presently not supported) |
| B | binary file (BLOB) |
| C | calculate |
| D | date |
| F | float |
| I | integer |
| M | money |
| S | string |