Prestashop module modification - High expert prestashop

Hi ! We are a small webagency and very often have projects on Prestashop, we are looking for a long relashionship ! For 1 client, we have installed the module ForumGp on a prestashop exiting website, client want modification : -->in this module, we must be able in backend to delete post of forum (we cannot now, and client want to be able to delete post that are not legal) Make sure you are available very FAST, URGENT project