To add a CTA to your content: 1. Click on the playlist where the content you wish to add a CTA is. 2. Hover your mouse over the content source and see the menu on the right side up. 3. Click on the Megaphone icon. 4. Enter your URL and click "Save" to save your changes. When people click on this content tile on the doWall, they will be redirected to the URL you added.