---
title: WorldAnchor
framework: arkit
role: symbol
role_heading: Structure
path: arkit/worldanchor
---

# WorldAnchor

A fixed location in a person’s surroundings.

## Declaration

```swift
struct WorldAnchor
```

## Overview

Overview ARKit persists world anchor UUIDs and transforms across multiple runs of your app. For more information, see Tracking specific points in world space.

## Topics

### Creating a world anchor

- [init(originFromAnchorTransform:)](arkit/worldanchor/init(originfromanchortransform:).md)

### Identifying a world anchor

- [id](arkit/worldanchor/id.md)

### Inspecting a world anchor

- [originFromAnchorTransform](arkit/worldanchor/originfromanchortransform.md)
- [isTracked](arkit/worldanchor/istracked.md)
- [description](arkit/worldanchor/description.md)

### Initializers

- [init(originFromAnchorTransform:sharedWithNearbyParticipants:)](arkit/worldanchor/init(originfromanchortransform:sharedwithnearbyparticipants:).md)

### Instance Properties

- [isSharedWithNearbyParticipants](arkit/worldanchor/issharedwithnearbyparticipants.md)

### Default Implementations

- [ARKitCoordinateSpaceProviding Implementations](arkit/worldanchor/arkitcoordinatespaceproviding-implementations.md)
- [Equatable Implementations](arkit/worldanchor/equatable-implementations.md)

## Relationships

### Conforms To

- [ARKitCoordinateSpaceProviding](arkit/arkitcoordinatespaceproviding.md)
- [Anchor](arkit/anchor.md)
- [Copyable](swift/copyable.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Escapable](swift/escapable.md)
- [Identifiable](swift/identifiable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)
- [TrackableAnchor](arkit/trackableanchor.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)
- [WorldTrackingProvider](arkit/worldtrackingprovider.md)
- [DeviceAnchor](arkit/deviceanchor.md)