static void Main(string[] args)
    {
        // Find your Account Sid and Auth Token at twilio.com/console
        const string accountSid = "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
        const string authToken  = "your_auth_token";

        TwilioClient.Init(accountSid, authToken);

        var feedback = FeedbackResource.Fetch("CAbb9fe897bc46347cddd23ba42c94bdac");

        Console.WriteLine(feedback.DateCreated);
    }
    static void Main(string[] args)
    {
        // Find your Account Sid and Auth Token at twilio.com/console
        // To set up environmental variables, see http://twil.io/secure
        const string accountSid = Environment.GetEnvironmentVariable("TWILIO_ACCOUNT_SID");
        const string authToken  = Environment.GetEnvironmentVariable("TWILIO_AUTH_TOKEN");

        TwilioClient.Init(accountSid, authToken);

        var feedback = FeedbackResource.Fetch("CAbb9fe897bc46347cddd23ba42c94bdac");

        Console.WriteLine(feedback.DateCreated);
    }
    static void Main(string[] args)
    {
        // Find your Account Sid and Token at twilio.com/console
        const string accountSid = "ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
        const string authToken  = "your_auth_token";

        TwilioClient.Init(accountSid, authToken);

        var feedback = FeedbackResource.Fetch(
            pathCallSid: "CAXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
            );

        Console.WriteLine(feedback.DateCreated);
    }
        public void TestFetchResponse()
        {
            var twilioRestClient = Substitute.For <ITwilioRestClient>();

            twilioRestClient.AccountSid.Returns("ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
            twilioRestClient.Request(Arg.Any <Request>())
            .Returns(new Response(
                         System.Net.HttpStatusCode.OK,
                         "{\"account_sid\": \"ACaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\"date_created\": \"Thu, 20 Aug 2015 21:45:46 +0000\",\"date_updated\": \"Thu, 20 Aug 2015 21:45:46 +0000\",\"issues\": [\"imperfect-audio\",\"post-dial-delay\"],\"quality_score\": 5,\"sid\": \"CAaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"}"
                         ));

            var response = FeedbackResource.Fetch("CAXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", client: twilioRestClient);

            Assert.NotNull(response);
        }
        public void TestFetchRequest()
        {
            var twilioRestClient = Substitute.For <ITwilioRestClient>();
            var request          = new Request(
                HttpMethod.Get,
                Twilio.Rest.Domain.Api,
                "/2010-04-01/Accounts/ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Calls/CAXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX/Feedback.json",
                ""
                );

            twilioRestClient.AccountSid.Returns("ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
            twilioRestClient.Request(request).Throws(new ApiException("Server Error, no content"));

            try
            {
                FeedbackResource.Fetch("CAXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", client: twilioRestClient);
                Assert.Fail("Expected TwilioException to be thrown for 500");
            }
            catch (ApiException) {}
            twilioRestClient.Received().Request(request);
        }