# axis

> The Direction of the axis around which the body is constrained.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.0/script-reference/unityengine.md)
* **Assembly:** UnityEngine.PhysicsModule

```csharp
public Vector3 axis { get; set; }
```

### Remarks

The Axis is defined in local space.