---
title: kIOUSBDescriptorSizePlatformCapability
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 13.0+, macOS 10.15+]
path: iokit/tiousbdescriptorsize/kiousbdescriptorsizeplatformcapability
---

# kIOUSBDescriptorSizePlatformCapability

## Declaration

```occ
kIOUSBDescriptorSizePlatformCapability = 20
```