Preheat oven to 375 degrees.

In a large bowl, mix together cake mix, Pumpkin Spice Seasoning, and pumpkin until well combined.

Cook vanilla pudding according to directions.

Add cooked pudding to cake mixture and combine well.

Grease 9x13 pan and add cake mixture.

Sprinkle with chocolate chips.

Bake for 40 minutes until toothpick inserted into cake comes out clean. Be sure to watch towards the end so edges don't burn.