KeyValuePair

List<KeyValuePair<string, string>> clpFields = new List<KeyValuePair<string, string>>();
                    clpFields.Add(new KeyValuePair<string, string>("chapter", getUserDetailsResponseModel.ChapterNum));
                    clpFields.Add(new KeyValuePair<string, string>("chapterrole", getUserDetailsResponseModel.Chapterrole));
                    clpFields.Add(new KeyValuePair<string, string>("memberstatus", getUserDetailsResponseModel.MemberStatus));