---
title: "init(device:neuronDescriptor:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpscnnneurongradient/init(device:neurondescriptor:)"
---

# init(device:neuronDescriptor:)

## Declaration

```swift
init(device: any MTLDevice, neuronDescriptor: MPSNNNeuronDescriptor)
```