The exact syntax varies by manufacturer. If "viewerframe mode refresh top" does not work, try these variations:
Since "Viewerframe Mode Refresh Top" is a conceptual pattern rather than a universal standard, here is how you would implement it across three different environments. viewerframe mode refresh top
Platforms like Twitter allow infinite scroll but also a "See new Tweets" button. That button is a classic "viewerframe mode refresh top" pattern—but with a twist: it inserts new items at the top and optionally maintains relative position. The exact syntax varies by manufacturer