---
title: CopyDataAvailableHandler
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iodataqueuedispatchsource/3223203-copydataavailablehandler
---

# CopyDataAvailableHandler

## Declaration

```occ
kern_return_t CopyDataAvailableHandler(OSAction **action, OSDispatchMethod supermethod);
```