---
title: activation
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/bnns/fusednormalizationparameters/activation
---

# activation

The activation function that the layer applies to the output.

## Declaration

```swift
var activation: BNNS.ActivationFunction
```

## See Also

### Inspecting the Properties of a Fused Normalization Parameters Structure

- [type](accelerate/bnns/fusednormalizationparameters/type.md)
- [beta](accelerate/bnns/fusednormalizationparameters/beta.md)
- [gamma](accelerate/bnns/fusednormalizationparameters/gamma.md)
- [momentum](accelerate/bnns/fusednormalizationparameters/momentum.md)
- [epsilon](accelerate/bnns/fusednormalizationparameters/epsilon.md)