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