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

# kIOUSBDescriptorSizeInterfaceAssociation

## Declaration

```occ
kIOUSBDescriptorSizeInterfaceAssociation = 8
```