---
title: preferredMicrophoneInjectionMode
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avaudiosession/preferredmicrophoneinjectionmode
---

# preferredMicrophoneInjectionMode

The preferred mode of injecting audio into another app’s input stream.

## Declaration

```swift
var preferredMicrophoneInjectionMode: AVAudioSession.MicrophoneInjectionMode { get }
```

## See Also

### Enabling adding audio to calls

- [isMicrophoneInjectionAvailable](avfaudio/avaudiosession/ismicrophoneinjectionavailable.md)
- [setPreferredMicrophoneInjectionMode(_:)](avfaudio/avaudiosession/setpreferredmicrophoneinjectionmode(_:).md)
- [AVAudioSession.MicrophoneInjectionMode](avfaudio/avaudiosession/microphoneinjectionmode.md)
- [microphoneInjectionCapabilitiesChangeNotification](avfaudio/avaudiosession/microphoneinjectioncapabilitieschangenotification.md)