---
title: "init(x:y:z:w:)"
framework: metal
role: symbol
role_heading: Initializer
path: "metal/mtlpackedfloatquaternion/init(x:y:z:w:)"
---

# init(x:y:z:w:)

## Declaration

```swift
init(x: Float, y: Float, z: Float, w: Float)
```