---
title: completionProc
framework: coremidi
role: symbol
role_heading: Instance Property
path: coremidi/midisysexsendrequest/completionproc
---

# completionProc

A function that the system calls after it sends all bytes for the request, or after the client marks the request as complete.

## Declaration

```swift
var completionProc: MIDICompletionProc
```

## See Also

### Configuring a request

- [destination](coremidi/midisysexsendrequest/destination.md)
- [data](coremidi/midisysexsendrequest/data.md)
- [bytesToSend](coremidi/midisysexsendrequest/bytestosend.md)
- [complete](coremidi/midisysexsendrequest/complete.md)
- [MIDICompletionProc](coremidi/midicompletionproc.md)
- [completionRefCon](coremidi/midisysexsendrequest/completionrefcon.md)
- [reserved](coremidi/midisysexsendrequest/reserved.md)