---
title: dilationRateInX
framework: metalperformanceshadersgraph
role: symbol
role_heading: Instance Property
path: metalperformanceshadersgraph/mpsgraphpooling2dopdescriptor/dilationrateinx
---

# dilationRateInX

Defines the dilation rate for the width dimension.

## Declaration

```swift
var dilationRateInX: Int { get set }
```

## Discussion

Discussion Default value: 1.