---
title: deviceTransportType
framework: coremediaio
role: symbol
role_heading: Type Property
path: coremediaio/cmioextensionproperty/devicetransporttype
---

# deviceTransportType

A property key for the device transport type.

## Declaration

```swift
static let deviceTransportType: CMIOExtensionProperty
```

## Discussion

Discussion The property state for this property is a number value that corresponds to an audio transport type (kIOAudioDeviceTransportType) that the IOKit framework defines.

## See Also

### Device Properties

- [deviceModel](coremediaio/cmioextensionproperty/devicemodel.md)
- [deviceIsSuspended](coremediaio/cmioextensionproperty/deviceissuspended.md)
- [deviceLinkedCoreAudioDeviceUID](coremediaio/cmioextensionproperty/devicelinkedcoreaudiodeviceuid.md)
- [deviceCanBeDefaultInputDevice](coremediaio/cmioextensionproperty/devicecanbedefaultinputdevice.md)
- [deviceCanBeDefaultOutputDevice](coremediaio/cmioextensionproperty/devicecanbedefaultoutputdevice.md)