# boneIndex3

> Index of fourth bone.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public int boneIndex3 { get; set; }
```

### Remarks

Additional Resources: [BoneWeight.weight3](/engine/6000.7/script-reference/unityengine/boneweight/weight3.md).