Divi Bars can be triggered automatically after the user has scrolled down a specified amount of the page. This can be set in either pixels or percentage.
Step 1: Go to Divi Bars Posts
1. Go to WordPress dashboard
2. Open Divi Bars CPT (Custom Post Type)
3. Go to your Divi Bars post
Step 2: Triggering the Promo Bar with Scroll
1. Scroll down to Automatic Triggers
2. Select Scroll Percentage.
Set how many pixels or percentage the user should scroll to trigger the bar.