| Input Parameters | Significance |
| DtvLong idf | field Id |
| Output Parameters | Significance |
| no | - |
| Return Code | Significance |
| value | buffer string |
| 0 | no buffer string set |
The field buffer is a user-configurable memory of the field and is used to support programming. support programming. The field buffer can be used to pass for instance status- or other object-specific information, which are required as long as the field exists.
The buffer can have any size and is empty after the field has been created.