---
title: "init(descriptor:weights:)"
framework: ML Compute
role: symbol
role_heading: Initializer
platforms: [iOS 14.0+, iPadOS 14.0+, Mac Catalyst 14.0+, macOS 11.0+, tvOS 14.0+]
path: "mlcompute/mlclosslayer/init(descriptor:weights:)"
---

# init(descriptor:weights:)

Creates a loss layer with the descriptor and weights you specify.

## Declaration

```swift
convenience init(descriptor lossDescriptor: MLCLossDescriptor, weights: MLCTensor)
```

## Parameters

- `lossDescriptor`: An object you use to configure the loss layer.
- `weights`: The loss label weights tensor.

## See Also

### Creating Loss Layers with Descriptors

- [init(descriptor:)](mlcompute/mlclosslayer/init(descriptor:).md)
- [MLCLossDescriptor](mlcompute/mlclossdescriptor.md)
- [MLCLossType](mlcompute/mlclosstype.md)