Is there a way we can find the number of users currently logged in the Appian Sy

You can approximate by the Appian login log. Alternatively, you could use app server features to count sessions.

@myles, thanks for the update. I would like to know if there is any way(like smartservice/function) by which you can get these details, so that we can display them as a report or as a grid data in our application.

I want to display these logged in users details in a report or as grid data in our applicatoin. Is there a way, we can get these details by using any smartservice/function?