1. Open your event's dashboard and click on "App content".
2. Click on the "Timeline" feature page.
3. Click on "Page settings" button
4. Use the Text posts toggle to enable or disable the posting of text-only messages on the wall. Turn the toggle on to allow text posts and off to disable them.
5. Use the "Image posts", "GIFs", "Video posts", and "Video from the phone gallery" toggles to enable or disable these posting options on the wall. Turn the toggle on to allow a feature and off to disable it.
6. Click on the "Save" button to persist the changes.
