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