Her is the script and it is very simple
game.Players.PlayerAdded:Connect(function(player)
if player:IsInGroup(1027635) then
local Message = Instance.new("Message", game.Workspace)
Message.Text = "Group Member",player.name,"Has Joined The Game!"
wait(10)
Message:Destroy()
end
end)

1 comment
it just says Group Member Nothing El.se