---
title: "init(real:imaginary:)"
framework: usdkit
role: symbol
role_heading: Initializer
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: "usdkit/usdvalue/quatd/init(real:imaginary:)"
---

# init(real:imaginary:)

Creates a quaternion from real and imaginary components.

## Declaration

```swift
init(real: Double, imaginary: USDValue.Vec3d)
```