coupon code error message for guest customers

Question

we created a coupon code for registered customers.

when guest try to apply coupon code, than it displaying message like "coupon code is not valid".

but i want to display message "coupon code will apply only for registered customers.

how to write different error message for different coupon codes.

let me know if you need any clarifications

please help me to find solution

thanks in advance

Answer 1

Someone built such an extension for a hackathon. Not sure if it's finished yet, but you can give it a try. By the description "Provide improved error messages when entering a promo code fails.", it seams that it does what you need: https://github.com/magento-hackathon/Hackathon_PromoCodeMessages