dynamic

gistfile1.cs

var item = new ImportantShopItem
                           {
                               Name = "נעליים",
                               Image = @"alk/hdsbnduaisgbdy8dca89sa7d8yhas79dghyigbiy=",
                               ItemNameEng = "Shoes",
                               Class = "Footware",
                               Group = "GroupName",
                               Price = 12.87,
                               Optional = new Dictionary<string, dynamic>
                                              {
                                                  {"Color","Red"},
                                                  {"ShippingPrice", 12.5}
                                              }
                           };