Here you can mark the document as a product by checking the Mark document as product option. You can use existing products or create a new one.
Select an existing product
Product name  | 
Here you can enter the name of an existing product you want to filter.  | 
Product number  | 
Number of the existing product to filter.  | 
Department  | 
You can filter the products by departments.  | 
Create a new product
Please see the section New product in E-commerce section.
Page url: http://devnet.kentico.com/docs/5_5r2/contexthelp/index.html?cms_content_product.htm