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