Combine the cake mix with the baking powder. Mix well.
Beat eggs by hand in a separate bowl.
Add dry mix with eggs, butter and vanilla in mixer. Beat on high until combined.
Fold in chocolate chips.
Heat oven to 350 degrees.
Bake cookies 10 - 12 minutes until just starting to get golden on bottom.
Cool on wire rack.
Notes
You will want to hydrate the dough. I don't suggest preheating the oven so that you give yourself at least 10 minutes to hydrate. Your cookies will taste better if the dough is hydrated.