---
title: OSActionCancelHandler
framework: driverkit
role: symbol
role_heading: Type Alias
path: driverkit/osactioncancelhandler
---

# OSActionCancelHandler

The block to call after the successful cancellation of the action.

## Declaration

```occ
typedef void (^)(void) OSActionCancelHandler;
```

## See Also

### Ending the Action Early

- [Cancel](driverkit/osaction/cancel.md)
- [Aborted](driverkit/osaction/aborted.md)
- [OSActionAbortedHandler](driverkit/osactionabortedhandler.md)