readAttributeMeasured3rdHarmonicCurrent(completion:)
Declaration
func readAttributeMeasured3rdHarmonicCurrent(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeMeasured3rdHarmonicCurrent() async throws -> NSNumberfunc readAttributeMeasured3rdHarmonicCurrent(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeMeasured3rdHarmonicCurrent() async throws -> NSNumber