| Name | Description | Type | Additional information |
|---|---|---|---|
| name_id |
Identificator of the extra data |
globally unique identifier |
Optional |
| name |
Extra data name. |
string |
Optional |
| value_id |
Extra data value identificator. Only if the list of values has been defined |
globally unique identifier |
Optional |
| value |
Extra data value |
string |
Optional |