---
title: "setKernelWidth(_:at:)"
framework: metalperformanceshaders
role: symbol
role_heading: Instance Method
path: "metalperformanceshaders/mpscnnmultiarykernel/setkernelwidth(_:at:)"
---

# setKernelWidth(_:at:)

## Declaration

```swift
func setKernelWidth(_ width: Int, at index: Int)
```