readAttributeOctetString(completionHandler:)
Declaration
func readAttributeOctetString(completionHandler: @escaping @Sendable (Data?, (any Error)?) -> Void)func readAttributeOctetString() async throws -> Datafunc readAttributeOctetString(completionHandler: @escaping @Sendable (Data?, (any Error)?) -> Void)func readAttributeOctetString() async throws -> Data