---
title: kUSBInformationDeviceIsAttachedToRootHubMask
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 18.4+, macOS 10.6+]
path: iokit/usbdeviceinformationbits/kusbinformationdeviceisattachedtoroothubmask
---

# kUSBInformationDeviceIsAttachedToRootHubMask

## Declaration

```occ
kUSBInformationDeviceIsAttachedToRootHubMask = (1 << kUSBInformationDeviceIsAttachedToRootHubBit)
```