Are you thinking of developing an e-Commerce App?
The SD Template Modda is specially designed to create Online Store sites using GeneXus. You simply have to select the panels that you are interested in having and associate the contents with the ones you already have in your KB.
Create an online store for your customers or simply add it to the functionalities of your product.
You can integrate it into the Web Template also called Modda to obtain a true online store for both web and mobile.