PrivateconstructorAdds a callback that will be called when a player joins the world.
This function can't be called in restricted-execution mode.
This function can be called in early-execution mode.
Removes a callback from being called when a player joins the world.
This function can't be called in restricted-execution mode.
This function can be called in early-execution mode.
Manages callbacks that are connected to a player joining the world.