I have read the following: https://stackoverflow.com/questions/20267425/how-to-override-cart-controller-coupon-action-in-our-custom-module-magento

My question is how do I start writing this out. I simply want to declare an if statment determining if a certain coupon code was entered. and then if true then proceed with the normal actions but also present a popup or div block on the cart page.

I assume this would be best done through a module instead of the coupon.phtml template file?

Thank you

  • Have you found out, how to do it. i have been hitting the question for the past one month. – user32440 Oct 25 '15 at 11:17
  • Have not figured it out =\ – Austin Peterson Oct 26 '15 at 21:05

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