---
title: "sendMIDISysExEvent(_:)"
framework: avfaudio
role: symbol
role_heading: Instance Method
path: "avfaudio/avaudiounitmidiinstrument/sendmidisysexevent(_:)"
---

# sendMIDISysExEvent(_:)

Sends a MIDI System Exclusive event to the instrument.

## Declaration

```swift
func sendMIDISysExEvent(_ midiData: Data)
```

## Parameters

- `midiData`: The system exclusive data you want to send to the instrument.

## Discussion

Discussion The midiData parameter should contain the complete SysEx data, including start (F0) and termination (F7) bytes.

## See Also

### Sending information to the MIDI instrument

- [sendController(_:withValue:onChannel:)](avfaudio/avaudiounitmidiinstrument/sendcontroller(_:withvalue:onchannel:).md)
- [sendMIDIEvent(_:data1:)](avfaudio/avaudiounitmidiinstrument/sendmidievent(_:data1:).md)
- [sendMIDIEvent(_:data1:data2:)](avfaudio/avaudiounitmidiinstrument/sendmidievent(_:data1:data2:).md)
- [sendPitchBend(_:onChannel:)](avfaudio/avaudiounitmidiinstrument/sendpitchbend(_:onchannel:).md)
- [sendPressure(_:onChannel:)](avfaudio/avaudiounitmidiinstrument/sendpressure(_:onchannel:).md)
- [sendPressure(forKey:withValue:onChannel:)](avfaudio/avaudiounitmidiinstrument/sendpressure(forkey:withvalue:onchannel:).md)
- [sendProgramChange(_:onChannel:)](avfaudio/avaudiounitmidiinstrument/sendprogramchange(_:onchannel:).md)
- [sendProgramChange(_:bankMSB:bankLSB:onChannel:)](avfaudio/avaudiounitmidiinstrument/sendprogramchange(_:bankmsb:banklsb:onchannel:).md)
- [send(_:)](avfaudio/avaudiounitmidiinstrument/send(_:).md)