readAttributeCurrentY(completionHandler:)
Declaration
func readAttributeCurrentY(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeCurrentY() async throws -> NSNumberfunc readAttributeCurrentY(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeCurrentY() async throws -> NSNumber