---
title: AVAudioApplication.MicrophoneInjectionPermission.undetermined
framework: avfaudio
role: symbol
role_heading: Case
path: avfaudio/avaudioapplication/microphoneinjectionpermission-swift.enum/undetermined
---

# AVAudioApplication.MicrophoneInjectionPermission.undetermined

The app hasn’t requested a person’s permission to add audio to calls.

## Declaration

```swift
case undetermined
```

## See Also

### Permissions

- [AVAudioApplication.MicrophoneInjectionPermission.serviceDisabled](avfaudio/avaudioapplication/microphoneinjectionpermission-swift.enum/servicedisabled.md)
- [AVAudioApplication.MicrophoneInjectionPermission.granted](avfaudio/avaudioapplication/microphoneinjectionpermission-swift.enum/granted.md)
- [AVAudioApplication.MicrophoneInjectionPermission.denied](avfaudio/avaudioapplication/microphoneinjectionpermission-swift.enum/denied.md)