---
title: MLCActivationDescriptor
framework: ML Compute
role: symbol
role_heading: Class
platforms: [iOS 14.0+, iPadOS 14.0+, Mac Catalyst 14.0+, macOS 11.0+, tvOS 14.0+]
path: mlcompute/mlcactivationdescriptor
---

# MLCActivationDescriptor

A configuration object you use to create an activation layer.

## Declaration

```swift
class MLCActivationDescriptor
```

## Overview

Overview The framework provides the following activation descriptor initializers to create the associated descriptors:

## Topics

### Creating Activation Descriptors

- [init(type:)](mlcompute/mlcactivationdescriptor/init(type:).md)
- [init(type:a:)](mlcompute/mlcactivationdescriptor/init(type:a:).md)
- [init(type:a:b:)](mlcompute/mlcactivationdescriptor/init(type:a:b:).md)
- [init(type:a:b:c:)](mlcompute/mlcactivationdescriptor/init(type:a:b:c:).md)
- [MLCActivationType](mlcompute/mlcactivationtype.md)

### Inspecting Activation Descriptors

- [activationType](mlcompute/mlcactivationdescriptor/activationtype.md)
- [a](mlcompute/mlcactivationdescriptor/a.md)
- [b](mlcompute/mlcactivationdescriptor/b.md)
- [c](mlcompute/mlcactivationdescriptor/c.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

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

## See Also

### Creating Activation Layers

- [init(descriptor:)](mlcompute/mlcactivationlayer/init(descriptor:).md)
- [Preconfigured Activation Layers](mlcompute/preconfigured-activation-layers.md)