To configure attached products:

#. Go to *Sales > Products > Products* and choose on you want to attach products to.
#. Go to the *Sales* tab and then to the *Attached products* section.
#. Add as many products as you want to.

If you want to autoupdate the products when they are added, set this config parameter:

  - `sale_attached_product.auto_update_attached_lines`

Otherwise, the lines will be added, but they can be modified, deleted, etc.
