So you add a remote event
to ReplicatedStorage
then you fire the remote event
.
-- Client (local script)
path.to.remote:FireServer("funny string")
-- Script on the server (script)
path.to.remote.OnServerEvent:Connect(function(plr,message)
Instance.new("Hint", workspace).Text = message
end)
or
You put the code you gave us in a server script.