# None

> None Space.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.VFX](/engine/6000.7/script-reference/unityengine/vfx.md)
* **Assembly:** UnityEngine.VFXModule

```csharp
None = -1
```

### Remarks

None Space corresponds to undefined space, this value is returned on not spaceable property while using [VisualEffectAsset.GetExposedSpace](/engine/6000.7/script-reference/unityengine/vfx/visualeffectasset/getexposedspace.md).