Twilio Code DevIntersection

hello.cs

using Twilio;
using Twilio.Rest.Api.V2010.Account;
using Twilio.Types;
namespace DevIntersection
{
    class SendSMS
    {
        Twilio.Client.Init(
            "accountSid",
            "authToken"
        );
        var from = new PhoneNumber("twilioNumber");
        var to = new PhoneNumber("attendeeNumber");
        MessageResource.Create(
            to, from,
            body: "Come visit Twilio at Booth #8");
    }
}