showPreferencesForExtension(withIdentifier:completionHandler:)

Launches Safari and opens the preferences panel for a Safari app extension.

Declaration

class func showPreferencesForExtension(withIdentifier identifier: String, completionHandler: (@Sendable ((any Error)?) -> Void)? = nil)

class func showPreferencesForExtension(withIdentifier identifier: String) async throws

Parameters

identifier:
The identifier for a Safari app extension in your app bundle.
completionHandler:
A completion handler called after the operation completes. The completion handler takes the following parameter:
error
If an error occurred, this parameter describes the error. If the operation succeeded, this parameter holds nil.

Discussion

important:

You can call this method from synchronous code using a completion handler, as shown on this page, or you can call it as an asynchronous method that has the following declaration:

class func showPreferencesForExtension(withIdentifier identifier: String) async throws

For information about concurrency and asynchronous code in Swift, see Calling Objective-C APIs Asynchronously.

showPreferencesForExtension(withIdentifier:completionHandler:)

Declaration

Parameters

Discussion

See Also

Working with Windows