Layout packs can be created from scratch or saved from scenes in an existing project. You can create a new layout pack, or add a new scene to an existing layout pack. 

1. Right-click on the scene in your scene rail  or select ... at the top of your scene properties and select save scene as new layout.
   
   
   
   
2. The Add layout panel will open in the right sidebar. Name your new layout by typing in a title. The default title for new layouts is Untitled.
3. In the Add to section, select an existing layout pack to add your layout to, or create a new one by selecting Create new layout pack.
4. Name the new layout pack, then choose your share settings.
5. (Optional) Designate a scene type for your layout. You can categorize the layout as an Intro, Outro, Captions layout, Text, etc. The default scene type is Other.
6. Name your new layout and select Add.

The scene will now be available for use in any of your projects. You can access it from the right-hand side in the Scene panel.