What is @selector() in Swift and how to use it with NSTimer?

Hello everyone! I'm a beginner iOS developer transitioning from Objective-C to Swift. Previously in Objective-C, I actively used @selector() for working with timers and target-action, for example: ```objc [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(updateTimer:) userInfo:nil repeats:YES]; ``` Now I'm trying to do the same in Swift, but the compiler complains when I write: ```swift let timer = Timer.scheduledTimer(timeInterval: 1.0, target: self, selector: @selector(updateTimer:), userInfo: nil,