1. In the event dashboard click on "Content" from the side bar.

2. Click on "Timeline" feature page.

3. Click on the small gear icon (⚙) next to activity wall.

4. In the "Advanced" settings, to enable likes, shares, and comments on the activity wall, simply check the "Can Like," "Can Share," and "Can Comment" options. To disable any of these features, just uncheck the corresponding options.

5. Click on "Save" to persist the changes.