---
title: y
framework: scenekit
role: symbol
role_heading: Instance Property
path: scenekit/scnvector4/y
---

# y

The second component in the vector.

## Declaration

```swift
var y: Float
```

```swift
var y: CGFloat
```

## See Also

### Components

- [x](scenekit/scnvector4/x.md)
- [z](scenekit/scnvector4/z.md)
- [w](scenekit/scnvector4/w.md)