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

# completionProc

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

## Declaration

```swift
var completionProc: MIDICompletionProcUMP
```

## See Also

### Configuring and inspecting a request

- [destination](coremidi/midisysexsendrequestump/destination.md)
- [words](coremidi/midisysexsendrequestump/words.md)
- [wordsToSend](coremidi/midisysexsendrequestump/wordstosend.md)
- [complete](coremidi/midisysexsendrequestump/complete.md)
- [MIDICompletionProcUMP](coremidi/midicompletionprocump.md)
- [completionRefCon](coremidi/midisysexsendrequestump/completionrefcon.md)
- [MIDIEventPacketSysexBytesForGroup(_:_:_:)](coremidi/midieventpacketsysexbytesforgroup(_:_:_:).md)