Once you have created a Product Group, you can then use it with a Promotion to change the price of the products in that Product Group.

  1. Make sure you create the Product Group first.
  2. Go to Promotions then 'Create new Promotion' in the left hand navigation menu
  3. Create the promotion - further instructions are available in this FAQ 
  4. When it comes time to choose which products to apply the promotion to, choose the Product Group from the drop down.
  5. Click 'Create promotion'.