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# ARSKViewDelegate

Methods you can implement to mediate the automatic synchronization of SpriteKit content with an AR session.

```
protocol ARSKViewDelegate : ARSessionObserver, SKViewDelegate
```

## Overview

Implement this protocol to provide SpriteKit content corresponding to [`ARAnchor`](/documentation/ARKit/ARAnchor) objects tracked by the view’s AR session, or to manage the view’s automatic updating of such content.

This protocol extends the [`ARSessionObserver`](/documentation/ARKit/ARSessionObserver) protocol, so your session delegate can also implement those methods to respond to changes in session status.

## Topics

### Handling Content Updates

[`view(_:nodeFor:)`](/documentation/ARKit/ARSKViewDelegate/view(_:nodeFor:))

Asks the delegate to provide a SpriteKit node corresponding to a newly added anchor.

[`view(_:didAdd:for:)`](/documentation/ARKit/ARSKViewDelegate/view(_:didAdd:for:))

Tells the delegate that a SpriteKit node corresponding to a new AR anchor has been added to the scene.

[`view(_:willUpdate:for:)`](/documentation/ARKit/ARSKViewDelegate/view(_:willUpdate:for:))

Tells the delegate that a SpriteKit node’s properties will be updated to match the current state of its corresponding anchor.

[`view(_:didUpdate:for:)`](/documentation/ARKit/ARSKViewDelegate/view(_:didUpdate:for:))

Tells the delegate that a SpriteKit node’s properties have been updated to match the current state of its corresponding anchor.

[`view(_:didRemove:for:)`](/documentation/ARKit/ARSKViewDelegate/view(_:didRemove:for:))

Tells the delegate that the SpriteKit node corresponding to an AR anchor has been removed from the scene.


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