---
title: kIOUSBInterfaceOpenAlt
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1646355-anonymous/kiousbinterfaceopenalt
---

# kIOUSBInterfaceOpenAlt

## Declaration

```occ
kIOUSBInterfaceOpenAlt = 0x00010000
```

## Discussion

Discussion Open the alternate interface specified when creating the interface.