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  "title" : "Audio Route Type Key"
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# Audio Route Type Key

The one key for an audio route input or output dictionary.

## Discussion

This key is used with the dictionaries associated with the [`kAudioSession_AudioRouteKey_Inputs`](/documentation/AudioToolbox/kAudioSession_AudioRouteKey_Inputs) and [`kAudioSession_AudioRouteKey_Outputs`](/documentation/AudioToolbox/kAudioSession_AudioRouteKey_Outputs) arrays.

## Topics

### Constants

[`let kAudioSession_AudioRouteKey_Type: CFString!`](/documentation/AudioToolbox/kAudioSession_AudioRouteKey_Type)

Audio routes input or output dictionary.


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