Introduction
Fixed elements in prototypes keep parts of your design visible while you scroll. This helps when you want menus or headers to stay on screen, making your prototype easier to use and understand.
When your prototype has a top menu that should stay visible while scrolling content below
When you want a sidebar navigation to remain on screen as users scroll through pages
When you need a footer with important buttons to always be accessible
When you want to test how sticky headers behave in your app design
When you want to keep a floating action button visible during scrolling