Cook pudding as directed on package. When cooked take of heat and stir in cake mix,mix well.
Pour into greased 15 by 10 pan. Spread with spatula to even out. Sprinkle with milk chocolate chips,coconut and then chopped walnuts. Cook at 350 for 35 min. Test with toothpick to see if it is done. Cool completely. Cut into 24 bars.