---
title: kMIDIPropertyTransmitChannels
framework: coremidi
role: symbol
role_heading: Global Variable
path: coremidi/kmidipropertytransmitchannels
---

# kMIDIPropertyTransmitChannels

The bitmap of channels on which the object transmits messages.

## Declaration

```swift
let kMIDIPropertyTransmitChannels: CFString
```

## See Also

### Channels

- [kMIDIPropertyReceiveChannels](coremidi/kmidipropertyreceivechannels.md)
- [kMIDIPropertyMaxReceiveChannels](coremidi/kmidipropertymaxreceivechannels.md)
- [kMIDIPropertyMaxTransmitChannels](coremidi/kmidipropertymaxtransmitchannels.md)