---
title: descriptor
framework: ML Compute
role: symbol
role_heading: Instance Property
platforms: [iOS 14.0+, iPadOS 14.0+, Mac Catalyst 14.0+, macOS 11.0+, tvOS 14.0+]
path: mlcompute/mlcpoolinglayer/descriptor
---

# descriptor

The configuration object you use to create the pooling layer.

## Declaration

```swift
@NSCopying var descriptor: MLCPoolingDescriptor { get }
```