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);
}