609 ecommerce merchanct account

Need to incorporate the e-commerce platform his merchant account provides into his web site . People go to his web site to purchase classes he offers based off of his calendar. There is already a way to purchase these classes, but it doesn't work and his business merchant account comes with a e-commerce platform. we will get the merchant account information and website to suitable coders. Easy work who knows what he doing. will select the coder today! Thanks,