---
title: kIOUserMIDIDriverUserClientType
framework: MIDIDriverKit
role: symbol
role_heading: Macro
platforms: [driverkit 24.0+]
path: mididriverkit/kiousermididriveruserclienttype
---

# kIOUserMIDIDriverUserClientType

## Declaration

```occ
#define kIOUserMIDIDriverUserClientType
```