# ProcessorInstance.Response

> A return value from ProcessorInstance.IControl<TRealtime>.OnMessage that lets the message sender know if the message was handled or not.

## Definition

* **Type:** Enum
* **Namespace:** [UnityEngine.Audio](/engine/6000.5/script-reference/unityengine/audio.md)
* **Assembly:** UnityEngine.AudioModule

```csharp
public enum ProcessorInstance.Response
```

## Fields

| Value                                                                                                  | Description                                       |
| ------------------------------------------------------------------------------------------------------ | ------------------------------------------------- |
| [Handled](/engine/6000.5/script-reference/unityengine/audio/processorinstance/response/handled.md)     | Indicates the message was recognized and handled. |
| [Unhandled](/engine/6000.5/script-reference/unityengine/audio/processorinstance/response/unhandled.md) | Indicates the message wasn't handled.             |