---
title: x
framework: usdkit
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: usdkit/usdvalue/vec3d/x
---

# x

## Declaration

```swift
var x: Double { get set }
```