To add additional product attributes in product details page of Interspire shopping cart we need to add an inteface in admin section to enter those details. I tried the following:
- Admin Section: code changes
- Open admin/templates/product_form.tpl
- Add additional fields attribute in html format as required.
- In admin/includes/classes/class.product.php, include the post data for inserting into database and add the fields in database as well.
- Search for AddProductStep2
- Add entry under lib/entities/entity.product.php
Hope this will work for you.