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