---
title: MPSNNLabelsNode
framework: metalperformanceshaders
role: symbol
role_heading: Class
path: metalperformanceshaders/mpsnnlabelsnode
---

# MPSNNLabelsNode

A placeholder node denoting the per-element weight buffer used by loss and gradient loss kernels.

## Declaration

```swift
class MPSNNLabelsNode
```

## Relationships

### Inherits From

- [MPSNNStateNode](metalperformanceshaders/mpsnnstatenode.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Loss Layer Nodes

- [MPSCNNLossNode](metalperformanceshaders/mpscnnlossnode.md)
- [MPSCNNYOLOLossNode](metalperformanceshaders/mpscnnyololossnode.md)