---
title: AVAudioSession.DeactivationSource
framework: avfaudio
role: symbol
role_heading: Enumeration
path: avfaudio/avaudiosession/deactivationsource
---

# AVAudioSession.DeactivationSource

The source of the audio session deactivation.

## Declaration

```swift
enum DeactivationSource
```

## Topics

### Getting the source

- [AVAudioSession.DeactivationSource.app](avfaudio/avaudiosession/deactivationsource/app.md)
- [AVAudioSession.DeactivationSource.system](avfaudio/avaudiosession/deactivationsource/system.md)

### Creating a deactivation source

- [init(rawValue:)](avfaudio/avaudiosession/deactivationsource/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Observing activation lifecycle

- [didBecomeActiveNotification](avfaudio/avaudiosession/didbecomeactivenotification.md)
- [didBecomeInactiveNotification](avfaudio/avaudiosession/didbecomeinactivenotification.md)
- [resumptionRecommendationNotification](avfaudio/avaudiosession/resumptionrecommendationnotification.md)
- [deactivationContextKey](avfaudio/avaudiosession/deactivationcontextkey.md)
- [resumptionContextKey](avfaudio/avaudiosession/resumptioncontextkey.md)
- [AVAudioSession.DidBecomeActiveMessage](avfaudio/avaudiosession/didbecomeactivemessage.md)
- [AVAudioSession.DidBecomeInactiveMessage](avfaudio/avaudiosession/didbecomeinactivemessage.md)
- [AVAudioSession.ResumptionRecommendationMessage](avfaudio/avaudiosession/resumptionrecommendationmessage.md)
- [AVAudioSession.DeactivationResult](avfaudio/avaudiosession/deactivationresult.md)
- [AVAudioSession.DeactivationContext](avfaudio/avaudiosession/deactivationcontext.md)
- [AVAudioSession.InterruptionContext](avfaudio/avaudiosession/interruptioncontext.md)
- [AVAudioSession.ResumptionContext](avfaudio/avaudiosession/resumptioncontext.md)
- [AVAudioSession.ResumptionRecommendation](avfaudio/avaudiosession/resumptionrecommendation.md)