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