---
title: UIApplicationOpenNotificationSettingsURLString
framework: uikit
role: symbol
role_heading: Global Variable
path: uikit/uiapplicationopennotificationsettingsurlstring
---

# UIApplicationOpenNotificationSettingsURLString

A constant that provides the URL string you use to deep link to your app’s notification settings in the Settings app.

## Declaration

```swift
nonisolated let UIApplicationOpenNotificationSettingsURLString: String
```

## Discussion

Discussion Create a URL from this value and pass it to the open(_:options:completionHandler:) method to launch the Settings app and display your app’s notification settings, if it has any. // Create the URL that deep links to your app's notification settings. NSURL *url = [[NSURL alloc] initWithString:UIApplicationOpenNotificationSettingsURLString]; // Ask the system to open that URL. [[UIApplication sharedApplication] openURL:url                                    options:@{}                          completionHandler:nil];

## See Also

### Deep linking to custom settings

- [openSettingsURLString](uikit/uiapplication/opensettingsurlstring.md)
- [openNotificationSettingsURLString](uikit/uiapplication/opennotificationsettingsurlstring.md)
- [openDefaultApplicationsSettingsURLString](uikit/uiapplication/opendefaultapplicationssettingsurlstring.md)