Upsell products with paid attributes, specify parameters or just get additional info from customers with the AN Additional Product Attributes module. Date selection, textareas, checkboxes, radiobuttons, dropdown and multiselect lists are available.
demo: https://addons.prestashop.com/fr/de...tes-custom-product-fields.html#specifications
demo: https://addons.prestashop.com/fr/de...tes-custom-product-fields.html#specifications