private void GetSimpleItems(Model model)
        {
            var values = simpleItemsValue.GetValues();

            if (model.action.Configuration.Parameters != null && model.action.Configuration.Parameters.simpleItem != null)
            {
                foreach (var si in model.action.Configuration.Parameters.simpleItem)
                {
                    object value;
                    if (values.TryGetValue(si.name, out value))
                    {
                        si.value = XmlExtensions.ConvertBackXSValue(value);
                    }
                }
            }
        }