CreateClone <IP Address of XenServer> <UserName> <Password> <Template>

/// <summary>
/// Clone a Virtual machine from a template and determine virtual machines mac address.
/// </summary>
    public class Program
    {
        public static void Main(string[] args)
        {

            // Host information necessary to get started
            string hostname = args[0];
            int port = 80; // default
            string username = args[1]; ;
            string password = args[2];
            string template = args[3];

            // Establish a session
            Session session = new Session(hostname, port);

            // Authenticate with username and password. 
//The third parameter tells the server which API 
//version we support.
            session.login_with_password(username, password, API_Version.API_1_3);

            List<XenRef<VM>> vmRefs = VM.get_by_name_label(session, template);
            if (vmRefs.Count == 0)
                System.Console.WriteLine("Template not found");

            foreach (XenRef<VM> vmRef in vmRefs)
            {
                if (vmRefs.Count == 1)
                {
                    VM vm = VM.get_record(session, vmRef);
                    System.Console.WriteLine("Cloning VM '{0}'...", vm.name_label);
                    XenRef<VM> cloneVMref = VM.clone(session, vmRef,
                    string.Format("Cloned VM (from '{0}')",vm.name_label));
                    System.Console.WriteLine("Cloning VM '{0}'... Done", cloneVMref.ToString());
                    VM.provision(session, cloneVMref);
                    VM CloneVM = VM.get_record(session, cloneVMref);

                    foreach (XenRef<VIF> vifref in CloneVM.VIFs)
                    {
                        System.Console.WriteLine(VIF.get_MAC(session, vifref));
                    }
                }
                else { System.Console.WriteLine("More then one VM Template found with same name"); }
            }
        }

    }