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# Preview(_:widget:relevanceProvider:relevance:)

Preview a widget with a relevance configuration, using the specified relevances.

```
@freestanding(declaration) macro Preview<Widget, Provider>(_ name: String? = nil, widget: @escaping @MainActor () -> Widget, relevanceProvider: @escaping @MainActor () -> Provider, relevance: @escaping @MainActor () async -> WidgetRelevance<Provider.Configuration>) where Widget : Widget, Provider : RelevanceEntriesProvider
```

## Parameters

`name`

An optional display name for the preview that appears in the Xcode preview canvas.

`widget`

A closure producing the widget to be previewed.

`relevanceProvider`

A closure producing the relevance provider that generates the preview’s entries.

`relevance`

A closure producing the relevance that the relevance provider uses.

## Overview

Provide the relevance provider with sample data and use it to step through relevance entries in the Xcode proview canvas.

> Note: The relevance provider must be of the type that the widget expects.

---

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