command /is [<player>]:
    permission: nevo.is
    permission message: &7Nie masz uprawnien do &cnevo.is
    trigger:
        arg 1 is not set:
            send "&8&l> &7Poprawne uzycie: &c/is [nick]"
        arg 1 is set:
            set {_arg1} to "%arg 1%"
            close player's inventory
            open chest with 5 rows named "&2&lNadanie Rangi" to player
            loop 45 times:
                set player's current inventory's slot loop-number -1 to gray glass pane named "&8&l"
            set player's current inventory's slot 13 to diamond named "&7Nadanie Rangi: &4&lPrezes" with lore "&8&l> &7Status: &aNa Zawsze", "&8&l> &7Permisje: &aMaksymalne" and "&8&l> &7Kliknij aby nadac!"
on inventory click:
    if name of current inventory of player is "&2&lNadanie Rangi":
        cancel event
        if "%clicked slot%" is "13":
            execute player command "pex user {_arg1} group set Prezes"
            close player's inventory