The 'Party Party Groupie Groupie Life is a game' commit:

* Added prototypical MoneyBalance support
  * Finalized konceptual touch wiring
  * Turned SimpleApp into a tedious harvesting game.

OpenSim/Region/Examples/SimpleApp/MyNpcCharacter.cs

@@ -202,5 +202,10 @@ namespace SimpleApp
 
             count++;
         }
+
+        public bool AddMoney(int debit)
+        {
+            return false;
+        }
     }
 }