readAttributeMeasured9thHarmonicCurrent(completion:)
Declaration
func readAttributeMeasured9thHarmonicCurrent(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeMeasured9thHarmonicCurrent() async throws -> NSNumberfunc readAttributeMeasured9thHarmonicCurrent(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeMeasured9thHarmonicCurrent() async throws -> NSNumber