signalEnumerator(for:completionHandler:)

Alerts the system to changes in the specified folder’s content.

Declaration

func signalEnumerator(for containerItemIdentifier: NSFileProviderItemIdentifier, completionHandler completion: @escaping  @Sendable ((any Error)?) -> Void)

func signalEnumerator(for containerItemIdentifier: NSFileProviderItemIdentifier) async throws

Mentioned in

Synchronizing the File Provider Extension
Signaling Changes for User-Driven Actions
Using push notifications to signal changes

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:

func signalEnumerator(for containerItemIdentifier: NSFileProviderItemIdentifier) async throws

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

signalEnumerator(for:completionHandler:)

Declaration

Mentioned in

Discussion

See Also

Performing actions