---
title: INSetAudioSourceInCarIntentResponseCode.failureRequiringAppLaunch
framework: intents
role: symbol
role_heading: Case
path: intents/insetaudiosourceincarintentresponsecode/failurerequiringapplaunch
---

# INSetAudioSourceInCarIntentResponseCode.failureRequiringAppLaunch

The user must launch your app to change the audio source.

## Declaration

```swift
case failureRequiringAppLaunch
```

## Discussion

Discussion Use this response code when you can’t handle the request with Siri for a reason not covered by any other response code. Don’t use it for general errors or to force the user to launch your app.

## See Also

### Constants

- [INSetAudioSourceInCarIntentResponseCode.unspecified](intents/insetaudiosourceincarintentresponsecode/unspecified.md)
- [INSetAudioSourceInCarIntentResponseCode.ready](intents/insetaudiosourceincarintentresponsecode/ready.md)
- [INSetAudioSourceInCarIntentResponseCode.inProgress](intents/insetaudiosourceincarintentresponsecode/inprogress.md)
- [INSetAudioSourceInCarIntentResponseCode.success](intents/insetaudiosourceincarintentresponsecode/success.md)
- [INSetAudioSourceInCarIntentResponseCode.failure](intents/insetaudiosourceincarintentresponsecode/failure.md)