---
title: bytesToSend
framework: coremidi
role: symbol
role_heading: Instance Property
path: coremidi/midisysexsendrequest/bytestosend
---

# bytesToSend

The number of bytes to send.

## Declaration

```swift
var bytesToSend: UInt32
```

## Discussion

Discussion Initially, the number of bytes to send. MIDISendSysex(_:) decrements this counter as it sends bytes.

## See Also

### Configuring a request

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