discount code for paypal

Hi, this should be a project that can be done in less than 15 minutes, but I will pay you $30 to do it. There are also more easy projects with high pay to come if completed succesfully. Here are the details: I need to create a paypal button where you can enter a discount code (for example, "25%OFF"), to recieve a discount on a purchase. I have a code that is supposed to work, however, I lack the basic coding skills to get it to work. just get the code to work-that's the whole project. email me at [Removed by Admin]