---
title: UIApplication.OpenExternalURLOptionsKey
framework: uikit
role: symbol
role_heading: Structure
path: uikit/uiapplication/openexternalurloptionskey
---

# UIApplication.OpenExternalURLOptionsKey

Options for opening a URL.

## Declaration

```swift
struct OpenExternalURLOptionsKey
```

## Topics

### URL options

- [universalLinksOnly](uikit/uiapplication/openexternalurloptionskey/universallinksonly.md)

### Measuring ad taps

- [eventAttribution](uikit/uiapplication/openexternalurloptionskey/eventattribution.md)

### Initializers

- [init(rawValue:)](uikit/uiapplication/openexternalurloptionskey/init(rawvalue:).md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Opening a URL resource

- [open(_:options:completionHandler:)](uikit/uiapplication/open(_:options:completionhandler:).md)
- [canOpenURL(_:)](uikit/uiapplication/canopenurl(_:).md)