---
title: midiOutputEventBlock
framework: audiotoolbox
role: symbol
role_heading: Instance Property
path: audiotoolbox/auaudiounit/midioutputeventblock
---

# midiOutputEventBlock

## Declaration

```swift
var midiOutputEventBlock: AUMIDIOutputEventBlock? { get set }
```

## See Also

### Managing MIDI Events

- [isMusicDeviceOrEffect](audiotoolbox/auaudiounit/ismusicdeviceoreffect.md)
- [virtualMIDICableCount](audiotoolbox/auaudiounit/virtualmidicablecount.md)
- [scheduleMIDIEventBlock](audiotoolbox/auaudiounit/schedulemidieventblock.md)
- [midiOutputNames](audiotoolbox/auaudiounit/midioutputnames.md)
- [AUScheduleMIDIEventBlock](audiotoolbox/auschedulemidieventblock.md)
- [AUMIDIOutputEventBlock](audiotoolbox/aumidioutputeventblock.md)