start(completionHandler:)

Asynchronously starts the haptic engine.

Declaration

func start(completionHandler: (@Sendable ((any Error)?) -> Void)? = nil)

func start() async throws

Parameters

completionHandler:
The closure the system calls to indicate whether the server started successfully or encountered an error.

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 start() async throws

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

start(completionHandler:)

Declaration

Parameters

Discussion

See Also

Starting and Stopping the Haptic Engine