server/AyaNova/models/DataFilter.cs

@@ -20,7 +20,8 @@ namespace AyaNova.Models
         public bool Public { get; set; }
         [Required, MaxLength(255)]
         public string ListKey { get; set; }//max 255 characters ascii set 
-        public string Filter { get; set; }//can be empty I guess meaning nothing selected in it
+        public string Filter { get; set; }//JSON fragment filter collection
+        public string Sort { get; set; }//JSON fragment sort collection
 
     }
 }