---
title: extent
framework: arkit
role: symbol
role_heading: Instance Property
path: arkit/planeanchor/geometry-swift.struct/extent-swift.property
---

# extent

The size of a plane.

## Declaration

```swift
var extent: PlaneAnchor.Geometry.Extent { get }
```

## See Also

### Inspecting plane geometry

- [meshFaces](arkit/planeanchor/geometry-swift.struct/meshfaces.md)
- [meshVertices](arkit/planeanchor/geometry-swift.struct/meshvertices.md)
- [PlaneAnchor.Geometry.Extent](arkit/planeanchor/geometry-swift.struct/extent-swift.struct.md)