1. Drop the app onto one of the pages you’d like it displayed on. In this example, we’ll start on the “about” page.
2. Select “Only some pages” in the dialogue box.
3. Now add a second rule and choose “URL”, then “Contains” and enter “contact” in the empty input field. Repeat this for as many pages as you want to include.
4. Save the Filter, then click Publish, and you're done!