---
title: kUSBMIDIStreamingSubClass
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 18.4+, macOS 10.3+]
path: iokit/1424847-interface_subclass/kusbmidistreamingsubclass
---

# kUSBMIDIStreamingSubClass

## Declaration

```occ
kUSBMIDIStreamingSubClass = 0x03
```