---
title: kAudioOutputUnitProperty_MIDICallbacks
framework: audiotoolbox
role: symbol
role_heading: Global Variable
path: audiotoolbox/kaudiooutputunitproperty_midicallbacks
---

# kAudioOutputUnitProperty_MIDICallbacks

## Declaration

```swift
var kAudioOutputUnitProperty_MIDICallbacks: AudioUnitPropertyID { get }
```

## See Also

### Constants

- [kAudioOutputUnitProperty_HostReceivesRemoteControlEvents](audiotoolbox/kaudiooutputunitproperty_hostreceivesremotecontrolevents.md)
- [kAudioOutputUnitProperty_RemoteControlToHost](audiotoolbox/kaudiooutputunitproperty_remotecontroltohost.md)
- [kAudioOutputUnitProperty_HostTransportState](audiotoolbox/kaudiooutputunitproperty_hosttransportstate.md)
- [kAudioOutputUnitProperty_NodeComponentDescription](audiotoolbox/kaudiooutputunitproperty_nodecomponentdescription.md)