---
title: kUSBMaxFSIsocEndpointReqCount
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 18.4+, macOS 10.3+]
path: iokit/1426268-kusbmaxisocframereqcount/kusbmaxfsisocendpointreqcount
---

# kUSBMaxFSIsocEndpointReqCount

## Declaration

```occ
kUSBMaxFSIsocEndpointReqCount = 1023
```