Create a new scene

1. Click the Sidebar Menu button 
2. Scroll down to the Scenes heading
3. Click on All Scenes
4. Click on the +Add Scene button
5. Add a Name and Description
6. Select a pattern
7. Select Block Mode or Allow Mode
8. Add websites to the Exceptions list
9. Add websites to the Auto-Open Tabs list
10. Set a value for Maximum Open Tabs
11. Scroll back to the top of the page and click Save Scene

For more details about each feature, please see Components of a Scene.