---
title: allAnchors
framework: arkit
role: symbol
role_heading: Instance Property
path: arkit/worldtrackingprovider/allanchors
---

# allAnchors

An array of all known world anchors from the world-tracking provider.

## Declaration

```swift
final var allAnchors: [WorldAnchor]? { get async }
```

## Discussion

Discussion Returns nil if the data provider isn’t running, and for other errors.

## See Also

### Tracking objects

- [init()](arkit/worldtrackingprovider/init().md)
- [anchorUpdates](arkit/worldtrackingprovider/anchorupdates.md)
- [requiredAuthorizations](arkit/worldtrackingprovider/requiredauthorizations.md)
- [isSupported](arkit/worldtrackingprovider/issupported.md)
- [addAnchor(_:)](arkit/worldtrackingprovider/addanchor(_:).md)
- [WorldTrackingProvider.Error](arkit/worldtrackingprovider/error.md)