> ## Documentation Index
> Fetch the complete documentation index at: https://docs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# XblAchievementUnlockRemoveNotificationHandler

> XblAchievementUnlockRemoveNotificationHandler

Unregisters an event handler for achievement unlock notifications.

## Syntax

```cpp theme={null}
void XblAchievementUnlockRemoveNotificationHandler(  
         XblContextHandle xblContextHandle,  
         XblFunctionContext functionContext  
)  
```

### Parameters

*xblContextHandle*   \_In\_\
Type: [XblContextHandle](https://docs.xbox.com/reference/live/xsapi-c/types_c/handles/xblcontexthandle.md)

XBOX live context for the local user.

*functionContext*   \_In\_\
Type: XblFunctionContext

The XblFunctionContext that was returned when the event handler was registered.

### Return value

Type: void

## Requirements

**Header:** achievements\_c.h

**Library:** Microsoft.Xbox.Services.142.C.lib or Microsoft.Xbox.Services.143.C.lib

## See also

[achievements\_c](https://docs.xbox.com/reference/live/xsapi-c/achievements_c/achievements_c_members.md)


## Related topics

- [achievements_c (contents)](https://docs.xbox.com/reference/live/xsapi-c/achievements_c/achievements_c_members.md)
- [XblAchievementUnlockAddNotificationHandler](https://docs.xbox.com/reference/live/xsapi-c/achievements_c/functions/xblachievementunlockaddnotificationhandler.md)
- [XblAchievementsRemoveAchievementProgressChangeHandler](https://docs.xbox.com/reference/live/xsapi-c/achievements_c/functions/xblachievementsremoveachievementprogresschangehandler.md)
- [XblAchievementUnlockHandler](https://docs.xbox.com/reference/live/xsapi-c/achievements_c/functions/xblachievementunlockhandler.md)
- [XblAchievementUnlockEvent](https://docs.xbox.com/reference/live/xsapi-c/achievements_c/structs/xblachievementunlockevent.md)