To set up the 'Required products' add-on:
  1. In the administration panel, go to Add-ons > Manage add-ons.
  2. Enable the Required products add-on (change its status to Active in the select box on the right).

To add the required products for a product:
  1. In the administration panel, go to Products > Products.
  2. Click on the desired product and open the Required products tab.
  3. Add products using the Add products link.
  4. Click the Save button to save the changes.



If a customer adds the main product to the cart and there are no required products of this product in it, Merchium will add all the missing ones automatically. If a customer deletes one of the required products from the cart, Merchium will delete the main one automatically as well.
NOTE: To add the suggested products, follow the instructions here.