---
title: kIOUSBEndpointUsageTypeIsocData
framework: kernel
role: symbol
role_heading: Enumeration Case
path: kernel/tiousbendpointusagetype/kiousbendpointusagetypeisocdata
---

# kIOUSBEndpointUsageTypeIsocData

The isochronous data type.

## Declaration

```occ
kIOUSBEndpointUsageTypeIsocData = (kIOUSBEndpointDescriptorUsageTypeIsocData >> kIOUSBEndpointDescriptorUsageTypePhase)
```