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