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# supportsURL(_:)

Determines whether a URL can be added to the Reading List.

```
class func supportsURL(_ URL: URL) -> Bool
```

## Parameters

`URL`

The URL to be tested for Reading List support.

## Return Value

If <doc://com.apple.documentation/documentation/Swift/true>, then the URL is supported by Reading List; otherwise, <doc://com.apple.documentation/documentation/Swift/false>.

## Discussion

Use this method to determine whether to display a Reading List button in your app.

---

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