---
title: AVAudioSession.SilenceSecondaryAudioHintType.begin
framework: avfaudio
role: symbol
role_heading: Case
path: avfaudio/avaudiosession/silencesecondaryaudiohinttype/begin
---

# AVAudioSession.SilenceSecondaryAudioHintType.begin

A value that indicates that another application’s primary audio has started.

## Declaration

```swift
case begin
```

## See Also

### Constants

- [AVAudioSession.SilenceSecondaryAudioHintType.end](avfaudio/avaudiosession/silencesecondaryaudiohinttype/end.md)