Core and dice the apples and Snicker Bars into bite sized pieces.
Place the diced Snickers on the crust, but reserve about 1/4 of them to go on top.
Place the diced apples on top of the Snickers (reserve a few for top).
Pour most of the caramel syrup over the apple and snickers pieces (reserve about 1/4 to go on top).
Mix the cool whip, instant vanilla pudding, sweetened condensed milk and milk, in a bowl, until well blended.
Pour the mixture over the top of the pie.
Drizzle the remaining caramel syrup over the top and garnish with snickers and apple pieces.
Refrigerate for 3-4 hours.