# TerrainVolumePart

> Talos next · Since 0.7

One solid of a volume.shape op and how it combines with the parts before it, in order.

## Fields

| Field | Type | Required | Default | Allowed values | Description |
|---|---|---|---|---|---|
| `mode` | `TerrainVolumeMode` | yes |  | `add`, `cut`, `keep` | How this part combines with the rock of the parts before it: add, cut or keep. |
| `shape` | `TerrainVolumePrim` | yes |  |  | The part's solid. |

## See also

- `TerrainVolumeMode`
- `TerrainVolumePrim`