static void Main(string[] args)
    {
        // Find your Account Sid and Auth Token at twilio.com/user/account
        string AccountSid = "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
        string AuthToken = "your_auth_token";
        string WorkspaceSid = "WSXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
        string WorkerSid = "WKXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
        var client = new TaskRouterClient(AccountSid, AuthToken);

        Worker worker = client.GetWorker(WorkspaceSid, WorkerSid);
        Console.WriteLine(worker.Attributes);

        // alternatively
        Dictionary<string,string> fetchedAttributes = worker.ParseAttributes();
        string value = fetchedAttributes["foo"];
        Console.WriteLine(value);
    }