---
title: registerHandler
framework: kernel
role: symbol
role_heading: Type Method
path: kernel/iokerneldebugger/1434271-registerhandler
---

# registerHandler

## Declaration

```occ
static void registerHandler(IOService *target, IODebuggerTxHandler txHandler, IODebuggerRxHandler rxHandler, IODebuggerLinkStatusHandler linkUpHandler, IODebuggerSetModeHandler setModeHandler);
```