One of the most used function in Divi Overlays is the Timed Delay automatic trigger. This function trigger your overlay after determinated time.
Step 1: Go to Divi Overlays Posts
1. Go to WordPress dashboard
2. Open Divi Overlays CPT (Custom Post Type)
3. Go to your Divi Overlays post
Step 2: Triggering the Overlay with Timed Delay
1. Scroll down to Automatic Triggers
2. Select Timed Delay
3. Set the time. The field is in seconds, so only add a number into the field.
Once saved, refresh your page and see Divi Overlays in action.