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# ar_world_tracking_remove_all_anchors_completion_handler_function_t

Function called when a request to remove all known world anchors has completed (successfully or not).

```
typedef void (^)(void *, _Bool, NSObject<OS_ar_error> *) ar_world_tracking_remove_all_anchors_completion_handler_function_t;
```

## Parameters

`context`

The application-defined context.

`successful`

`true` if all anchors were successfully removed from the world tracking provider, `false` otherwise.

`error`

The error that occurred, if any.

---

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