on join:
    if {plec.%player%} is not set:
        loop 10 times:
            send "&8&l+> &7Wybierz plec wpisujac &b&l/plec chlopak &7lub &d&l/plec dziewczyna&7!"
command /plec <text>:
    usage: &f/plec <&bchlopak&f/&ddziewczyna&f>
    trigger:
        if {plec.%player%} is not set:
            if arg is "chlopak":
                set {plec.%player%} to "&b&lCH"
                send "&8&l+> &7Ustawiles swoja plec! &b(CHLOPAK)"
            else if arg is "dziewczyna":
                set {plec.%player%} to "&d&lDZ"
                send "&8&l+> &7Ustawiles swoja plec! &d(DZIEWCZYNA)"
            else:
                send "&8&l+> &7Dostepne plci: &bCHLOPAK &8/ &dDZIEWCZYNA"
        else:
            send "&8&l+> &7Ustawiles juz swoja plec!"
on chat:
    cancel event
    if {plec.%player%} is not set:
        send "&8&l+> &7Wybierz plec wpisujac &b&l/plec chlopak &7lub &d&l/plec dziewczyna&7!"
    else:
        broadcast "&8[%{plec.%player%}%&8] %coloured player's prefix% &7%player% &8> &7%message%"