---
title: "update(from:)"
framework: arkit
role: symbol
role_heading: Instance Method
path: "arkit/arscnplanegeometry/update(from:)"
---

# update(from:)

Reshapes the SceneKit geometry to match the specified plane mesh.

## Declaration

```swift
func update(from planeGeometry: ARPlaneGeometry)
```

## Parameters

- `planeGeometry`: A coarse mesh representation of a detected plane’s estimated shape.

## Discussion

Discussion To update a SceneKit model of a plane actively tracked in an AR session, call this method in your ARSCNViewDelegate object’s renderer(_:didUpdate:for:) callback, passing the geometry property from the ARPlaneAnchor object that callback provides.