---
title: AVAudioSessionRouteDescription
framework: avfaudio
role: symbol
role_heading: Class
path: avfaudio/avaudiosessionroutedescription
---

# AVAudioSessionRouteDescription

An object that describes the input and output ports associated with a session’s audio route.

## Declaration

```swift
class AVAudioSessionRouteDescription
```

## Mentioned in

Responding to audio route changes

## Overview

Overview You don’t create instances of this class yourself. Instead, you retrieve the current audio route from your app’s AVAudioSession object.

## Topics

### Getting the Input and Output Ports

- [inputs](avfaudio/avaudiosessionroutedescription/inputs.md)
- [outputs](avfaudio/avaudiosessionroutedescription/outputs.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Inspecting the current route

- [currentRoute](avfaudio/avaudiosession/currentroute.md)
- [AVAudioSessionPortDescription](avfaudio/avaudiosessionportdescription.md)
- [routeChangeNotification](avfaudio/avaudiosession/routechangenotification.md)