<!--
{
  "documentType" : "article",
  "framework" : "MIDIDriverKit",
  "identifier" : "/documentation/MIDIDriverKit/mididriverkit-constants",
  "metadataVersion" : "0.1.0",
  "role" : "collectionGroup",
  "title" : "MIDIDriverKit Constants"
}
-->

# MIDIDriverKit Constants

## Topics

### Constants

[`constexpr const IOUserMIDIObjectID kIOUserMIDIObjectIDDriver;`](/documentation/MIDIDriverKit/MIDIDriverKit/kIOUserMIDIObjectIDDriver)


---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)