---
title: MusicDeviceSysExProc
framework: audiotoolbox
role: symbol
role_heading: Type Alias
path: audiotoolbox/musicdevicesysexproc
---

# MusicDeviceSysExProc

## Declaration

```swift
typealias MusicDeviceSysExProc = (UnsafeMutableRawPointer, UnsafePointer<UInt8>, UInt32) -> OSStatus
```

## See Also

### Interacting with Music Devices

- [MusicDeviceMIDIEvent(_:_:_:_:_:)](audiotoolbox/musicdevicemidievent(_:_:_:_:_:).md)
- [MusicDeviceMIDIEventList(_:_:_:)](audiotoolbox/musicdevicemidieventlist(_:_:_:).md)
- [MusicDeviceStartNote(_:_:_:_:_:_:)](audiotoolbox/musicdevicestartnote(_:_:_:_:_:_:).md)
- [MusicDeviceStopNote(_:_:_:_:)](audiotoolbox/musicdevicestopnote(_:_:_:_:).md)
- [MusicDeviceSysEx(_:_:_:)](audiotoolbox/musicdevicesysex(_:_:_:).md)
- [MusicDeviceComponent](audiotoolbox/musicdevicecomponent.md)
- [MusicDeviceGroupID](audiotoolbox/musicdevicegroupid.md)
- [MusicDeviceInstrumentID](audiotoolbox/musicdeviceinstrumentid.md)
- [MusicDeviceMIDIEventProc](audiotoolbox/musicdevicemidieventproc.md)
- [MusicDeviceStartNoteProc](audiotoolbox/musicdevicestartnoteproc.md)
- [MusicDeviceStopNoteProc](audiotoolbox/musicdevicestopnoteproc.md)