/// <summary>
 /// Login
 /// </summary>
 private void Login(string username, string password, string udid = null)
 {
     openTasks++;
     OttUserService.Login(PARTNER_ID, username, password, null, udid)
     .SetCompletion(new OnCompletedHandler <LoginResponse>(OnLoginComplete))
     .Execute(client);
 }
        private void ListOttUsers()
        {
            openTasks++;
            OTTUserFilter filter = new OTTUserFilter();

            OttUserService.List(filter)
            .SetCompletion(new OnCompletedHandler <ListResponse <OTTUser> >(OnOTTUserListComplete))
            .Execute(client);
        }