/// <summary>
 /// Use this constructor for live environment calls
 /// </summary>
 /// <param name="apiKey"></param>
 /// <param name="liveEndPoint"></param>
 public EcrService(string apiKey, string liveEndPoint)
 {
     _apiKey    = apiKey;
     _clientApi = new EcrWebServiceV2.Api {
         Url = liveEndPoint
     };
 }
        //private readonly bool _isAgentSession;

        /// <summary>
        /// use this constructor for testing (staging and local)
        /// </summary>
        /// <param name="apiKey"></param>
        public EcrService(string apiKey)
        {
            _apiKey    = apiKey;
            _clientApi = new EcrWebServiceV2.Api();
        }