writeAttributeSystemMode(withValue:completion:)
Declaration
func writeAttributeSystemMode(withValue value: NSNumber, completion: @escaping @Sendable ((any Error)?) -> Void)func writeAttributeSystemMode(withValue value: NSNumber) async throwsfunc writeAttributeSystemMode(withValue value: NSNumber, completion: @escaping @Sendable ((any Error)?) -> Void)func writeAttributeSystemMode(withValue value: NSNumber) async throws