---
title: ReadIsochPipeAsync
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.14+]
path: iokit/iousbinterfaceinterface942/2977233-readisochpipeasync
---

# ReadIsochPipeAsync

## Declaration

```occ
IOReturn (*ReadIsochPipeAsync)(void *self, UInt8 pipeRef, void *buf, UInt64 frameStart, UInt32 numFrames, IOUSBIsocFrame *frameList, IOAsyncCallback1 callback, void *refcon);
```