---
title: SetDataAvailableHandler_Impl
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iodataqueuedispatchsource/3223227-setdataavailablehandler_impl
---

# SetDataAvailableHandler_Impl

## Declaration

```occ
kern_return_t SetDataAvailableHandler_Impl(OSAction *action);
```