---
title: CLKComplicationWidgetMigrationConfiguration
framework: clockkit
role: symbol
role_heading: Class
path: clockkit/clkcomplicationwidgetmigrationconfiguration
---

# CLKComplicationWidgetMigrationConfiguration

An abstract class that specifies WidgetKit complications.

## Declaration

```swift
class CLKComplicationWidgetMigrationConfiguration
```

## Overview

Overview The CLKComplicationWidgetMigrationConfiguration class is the basis for all classes that describe watchOS complications in WidgetKit. Because it’s an abstract class, you don’t instantiate it directly. Instead, create one of its concrete subclasses: CLKComplicationStaticWidgetMigrationConfiguration, CLKComplicationAppIntentWidgetMigrationConfiguration, or CLKComplicationIntentWidgetMigrationConfiguration.

## Relationships

### Inherits From

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

### Inherited By

- [CLKComplicationAppIntentWidgetMigrationConfiguration](clockkit/clkcomplicationappintentwidgetmigrationconfiguration.md)
- [CLKComplicationIntentWidgetMigrationConfiguration](clockkit/clkcomplicationintentwidgetmigrationconfiguration.md)
- [CLKComplicationStaticWidgetMigrationConfiguration](clockkit/clkcomplicationstaticwidgetmigrationconfiguration.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

### Migrating to WidgetKit

- [widgetMigrator](clockkit/clkcomplicationdatasource/widgetmigrator.md)
- [CLKComplicationStaticWidgetMigrationConfiguration](clockkit/clkcomplicationstaticwidgetmigrationconfiguration.md)
- [CLKComplicationAppIntentWidgetMigrationConfiguration](clockkit/clkcomplicationappintentwidgetmigrationconfiguration.md)
- [CLKComplicationIntentWidgetMigrationConfiguration](clockkit/clkcomplicationintentwidgetmigrationconfiguration.md)
- [CLKComplicationWidgetMigrator](clockkit/clkcomplicationwidgetmigrator.md)