---
title: deviceFromLeftViewpointTransform
framework: arkit
role: symbol
role_heading: Instance Property
path: arkit/viewpointproperties/devicefromleftviewpointtransform
---

# deviceFromLeftViewpointTransform

The transformation matrix that converts from the left viewpoint to the device’s coordinate space.

## Declaration

```swift
var deviceFromLeftViewpointTransform: simd_float4x4 { get }
```