static void Main(string[] args) { // Find your Account Sid and Auth Token at twilio.com/user/account string accountSid = "accountSid"; string authToken = "authToken"; string serviceSid = "serviceSid"; // Retrieve the list of roles var client = new TwilioIpMessagingClient(accountSid, authToken); RoleResult roles = client.ListRoles(serviceSid); Console.WriteLine(roles); }