MongoDB.Collection.Insert C# (CSharp) Method

        public object Insert(IDictionary<string, object> obj, bool safe = false)
        {
            Contract.Requires(obj != null);
              if (!"_id".Equals(obj.Keys.FirstOrDefault()))
              {
            obj = new Doc(obj);
              }
              Database.Connection.Say(msg => msg.WriteInsert(FullName, new IDictionary<string, object>[] { obj }), safe);
              return obj["_id"];
        }