---
title: "init(device:kernelSize:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpscnncrosschannelnormalizationgradient/init(device:kernelsize:)"
---

# init(device:kernelSize:)

## Declaration

```swift
init(device: any MTLDevice, kernelSize: Int)
```