# ActionSchedule.PlayerTarget.Callback

Artifact: [androidx.media3:media3-test-utils](https://developer.android.com/jetpack/androidx/releases/media3) [View Source](https://cs.android.com/search?q=file:androidx/media3/test/utils/ActionSchedule.java+class:androidx.media3.test.utils.ActionSchedule.PlayerTarget.Callback)

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```
public interface ActionSchedule.PlayerTarget.Callback
```

<br />

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Callback to be called when message arrives.

## Summary

| ### Public methods |
|---|---|
| `abstract void` | `https://developer.android.com/reference/androidx/media3/test/utils/ActionSchedule.PlayerTarget.Callback#onMessageArrived()()` Notifies about the arrival of the message. |

## Public methods

### onMessageArrived

```
abstract void onMessageArrived()
```

Notifies about the arrival of the message.