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