---
title: WorldTrackingProvider
framework: arkit
role: symbol
role_heading: Class
path: arkit/worldtrackingprovider
---

# WorldTrackingProvider

A source of live data about the device pose and anchors in a person’s surroundings.

## Declaration

```swift
final class WorldTrackingProvider
```

## Topics

### Tracking objects

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

### Stopping object tracking

- [removeAnchor(_:)](arkit/worldtrackingprovider/removeanchor(_:).md)
- [removeAnchor(forID:)](arkit/worldtrackingprovider/removeanchor(forid:).md)

### Predicting device pose

- [queryDeviceAnchor(atTimestamp:)](arkit/worldtrackingprovider/querydeviceanchor(attimestamp:).md)

### Inspecting a world-tracking provider

- [state](arkit/worldtrackingprovider/state.md)
- [description](arkit/worldtrackingprovider/description.md)

### Instance Properties

- [worldAnchorSharingAvailability](arkit/worldtrackingprovider/worldanchorsharingavailability-swift.property.md)

### Instance Methods

- [removeAllAnchors()](arkit/worldtrackingprovider/removeallanchors().md)

### Enumerations

- [WorldTrackingProvider.WorldAnchorSharingAvailability](arkit/worldtrackingprovider/worldanchorsharingavailability-swift.enum.md)

## Relationships

### Conforms To

- [CustomStringConvertible](swift/customstringconvertible.md)
- [DataProvider](arkit/dataprovider.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### World tracking

- [Tracking specific points in world space](visionos/tracking-points-in-world-space.md)
- [Placing entities using head and device transform](visionos/placing-entities-using-head-and-device-transform.md)
- [WorldAnchor](arkit/worldanchor.md)
- [DeviceAnchor](arkit/deviceanchor.md)