---
title: kMIDIPropertySupportsMMC
framework: coremidi
role: symbol
role_heading: Global Variable
path: coremidi/kmidipropertysupportsmmc
---

# kMIDIPropertySupportsMMC

A Boolean value that indicates whether the device or entity implements the MIDI Machine Control portion of the MIDI specification.

## Declaration

```swift
let kMIDIPropertySupportsMMC: CFString
```

## See Also

### Capabilities

- [kMIDIPropertySupportsGeneralMIDI](coremidi/kmidipropertysupportsgeneralmidi.md)
- [kMIDIPropertySupportsShowControl](coremidi/kmidipropertysupportsshowcontrol.md)