command /zmien [<text>]:
    permission: permisja.zmien
    permission message: Nie masz do tego uprawnien!
    executable by: player
    trigger:
        if player's gamemode is creative:
            set player's gamemode to survival
            send "Zmieniles tryb gry na przetrwanie!" to player
            stop
        if player's gamemode is survival:
            set player's gamemode to creative
            send "Zmieniles tryb gry na kreatywny!" to player
            stop
        send "Nie masz trybu gry przetrwania ani kreatywny!" to player
        stop