---
title: dilationRateInY
framework: metalperformanceshadersgraph
role: symbol
role_heading: Instance Property
path: metalperformanceshadersgraph/mpsgraphpooling2dopdescriptor/dilationrateiny
---

# dilationRateInY

Defines the dilation rate for the height dimension.

## Declaration

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

## Discussion

Discussion Default value: 1.
