# builtIn

> The default provided ControlContext which is used and updated in tandem with Unity's built-in audio system.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.Audio](/engine/6000.6/script-reference/unityengine/audio.md)
* **Assembly:** UnityEngine.AudioModule

```csharp
public static ControlContext builtIn { get; }
```

### Remarks

Referencing this instance guarantees that any changes and communication happen in atomic lockstep with the built in audio system, for deterministic audio results.