---
title: "init(device:lossImageSize:labelsDescriptor:weightsDescriptor:)"
framework: metalperformanceshaders
role: symbol
role_heading: Initializer
path: "metalperformanceshaders/mpscnnlosslabels/init(device:lossimagesize:labelsdescriptor:weightsdescriptor:)"
---

# init(device:lossImageSize:labelsDescriptor:weightsDescriptor:)

## Declaration

```swift
init(device: any MTLDevice, lossImageSize: MTLSize, labelsDescriptor: MPSCNNLossDataDescriptor, weightsDescriptor: MPSCNNLossDataDescriptor?)
```