---
title: kUSBUCRequestWithoutUSBNotificationMask
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 18.4+, macOS 10.10+]
path: iokit/1426201-miscellaneous_constants/kusbucrequestwithoutusbnotificationmask
---

# kUSBUCRequestWithoutUSBNotificationMask

## Declaration

```occ
kUSBUCRequestWithoutUSBNotificationMask = (1 << 30)
```