This plugin allows you to configure discounts for customers who have all specified products in the cart.
Discount requirement rule is a logical dependency in nopCommerce discount module that defines whether a discount applies or not, according to its conditions.
nopCommerce site: https://www.nopcommerce.com
Listing on nopCommerce "extensions and themes" catalog: https://www.nopcommerce.com/has-all-products-discount-requirement-rule