1. Head to the 'Listing Studio' menu.
2. Select the "My Custom Templates" option from the navigation menu on the side.
3. In the bottom left corner of each template, there is an option to add a Star icon to indicate that the template could be added to your collections. By marking a template with a star, it is included in your preferred collection for future use.
4. Once selected, your custom template will be added to the Auto Collection, and all your listings assets will automatically be prepared using this template.