---
title: kUSBInformationRootHubIsBuiltInMask
framework: kernel
role: symbol
role_heading: Enumeration Case
path: kernel/usbdeviceinformationbits/kusbinformationroothubisbuiltinmask
---

# kUSBInformationRootHubIsBuiltInMask

The mask indicating that the root hub is built-in.

## Declaration

```occ
kUSBInformationRootHubIsBuiltInMask = (1 << kUSBInformationRootHubIsBuiltInBit)
```