How can i get all the users in the database?

Game Design
1

i want to create a system so the users can see all the other online users on the app

i found nakama online indicator but there is this issue, it doesnt shows how to pass the users to it, it only shows how to staticaly pass a user id to it just for testing

Screen Shot 2022-07-25 at 4.37.15 PM
Screen Shot 2022-07-25 at 4.37.15 PM1666×1466 108 KB

how can i instead of just writing the user ids myself pass the users in the database to it???