---
title: "init(function:axes:input:output:filterParameters:)"
framework: accelerate
role: symbol
role_heading: Initializer
path: "accelerate/bnns/activationlayer/init(function:axes:input:output:filterparameters:)"
---

# init(function:axes:input:output:filterParameters:)

## Declaration

```swift
convenience init?(function activationFunction: BNNS.ActivationFunction, axes: [Int], input: BNNSNDArrayDescriptor, output: BNNSNDArrayDescriptor, filterParameters: BNNSFilterParameters? = nil)
```