1Prepare cake mix as directed.
Pour 1/2 of the batter in a 13x9 inch pan.
Bake at 350 for 15 minutes.
Remove and let cool.
2In a double boiler, add caramels, milk and butter and stir constantly till melted.
Pour melted caramel over cooling cake.
Sprinkle on top 1 cup of pecans& chocolate chips.
Pour remaining batter on top and bake for an additional 20 minutes.