---
title: "init(source:descriptor:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpscnnneuronnode/init(source:descriptor:)"
---

# init(source:descriptor:)

## Declaration

```swift
convenience init(source sourceNode: MPSNNImageNode, descriptor: MPSNNNeuronDescriptor)
```