| Name | Type | Description | Notes |
|---|---|---|---|
| type | string | ||
| activity | string | [optional] [default to 'vans'] | |
| specification | string | [optional] [default to 'average'] | |
| detail | string | Hint: Some specifications only support certain details. | [optional] [default to 'average'] |
| value | float | The value in the given unit | |
| unit | string | Need a more specific unit? See the full list of supported units (Section 6). | [optional] [default to 'kilometers'] |