command /invsee []:
            trigger:
                    if player has permission "essentialsskript.invsee or essentialsskript.*":
                            if arg 1 is set:
                                    open the argument's inventory to the player
                                    stop
                            else:
                                    send "{@tag} &c Podaj nick gracza!"
                                    stop
                    else:
                            send "{@tag} {@permission}"
                            stop