It’s not directly supported, also the action you can take on a external webpage over 3rd party application is rather limited, but please have a look here, as we’ve already had similar discussion - How to auto-scroll a webpage?
It’s not directly supported, also the action you can take on a external webpage over 3rd party application is rather limited, but please have a look here, as we’ve already had similar discussion - How to auto-scroll a webpage?