# customTypeID

> The internal ID for custom animation bindings.

## Definition

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

```csharp
public byte customTypeID { get; }
```

### Remarks

Some Unity systems, like shader, are more dynamic and require custom bindings to expose their properties.