Csharp Dial with dial attributes

DialExampleController.cs

using Twilio.TwiML;
using Twilio.TwiML.Mvc;

namespace Demo.Controllers
{
    public class DialExampleController : TwilioController
    {
        public ActionResult Dial()
        {
            var response = new TwilioResponse();
            var toNumber = new Number
            {
                url = "someUrl",
                // See documentation for other valid attributes here: https://www.twilio.com/docs/api/twiml/number#attributes
            };
            var dialAttributes = new 
            {
                // See documentation for valid attributes https://www.twilio.com/docs/api/twiml/dial#attributes
                timeout = "30",
                record = "true",
                someOtherAttribute = "attributeValue",
                // etc.
            };
            response.Dial(toNumber, dialAttributes;
        
            return TwiML(response);
        }
    }
}