static void Main(string[] args) { // Find your Account Sid and Auth Token at twilio.com/user/account const string accountSid = "accountSid"; const string authToken = "authToken"; const string serviceSid = "serviceSid"; const string userSid = "userSid"; const string roleSid = "roleSid"; // Update a user var client = new TwilioIpMessagingClient(accountSid, authToken); User user = client.UpdateUser(serviceSid, userSid, roleSid); Console.WriteLine(user); }