AutomateWoo - Refer A Friend add-on

Similar to rules for Orders/Item Categories which allow selection of multiple categories with selection of all/some/or none, Order Items should allow the same method for all/some/none of a set of specific products.

Supports logic for sending an email to customers that have purchased one or more related products. This can be done by repeating all logic for each separate product but this is error prone and make the search very slow.