protected override void DoExecute(CodeActivityContext context)
        {
            devlog.Debug(string.Format("Called on '{0}'", ExchangeAppointment));
            var myExchangeAppointment = ExchangeAppointment.Get(context);

            devlog.Debug(string.Format("myExchangeAppointment:'{0}'", myExchangeAppointment));
            ExchangeRepository.insertOrUpdate(myExchangeAppointment);
        }