Preview Different Layouts
When you define multiple layouts for a dynamic table or form, you might want to preview how different layouts look when applied to your page. You can do this using Layout Preview in a dynamic component's Properties pane.
Layout Preview forces the Page Designer to render the layout you select and ignore the rules in the rule set. For example, if you created a layout that only managers can see, you won't see it in the Page Designer if you're not logged in as a manager. But you can use Layout Preview to override the display logic and render the page as it would to managers.
To preview a dynamic component's layout: