Promo groups are containers used for organizing your promos on various screens that you, your coworkers, and your contacts view.
Every contact has a Promo Library screen where Haulix compiles all the promos from all the senders who shared music with that contact.
You can now control how your promos appear on that screen by making one or more of your promo groups "public."
From your Manage Promos screen, click on the Groups button. Checking the Public checkbox will make the respective group appear on your contacts' My Promos screens.
This feature is only a visual enhancement. All permissions that you previously established work the same way.
The promo order the account owner establishes on your Manage Promos screen will get mirrored on the contact's My Promos screen.
When your contacts view the promos you have sent, the public group names will be visible: