---
title: SetPipeIdlePolicy
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.14+]
path: iokit/iousbinterfaceinterface942/2977246-setpipeidlepolicy
---

# SetPipeIdlePolicy

## Declaration

```occ
IOReturn (*SetPipeIdlePolicy)(void *self, UInt8 pipeRef, UInt32 ioIdleTimeout);
```