command /nick [<text>]:
    trigger:
        if {cooldown.%player%} is set:
            message "&eTento prikaz muzes pouzit jednou za 30 dni."
            stop
        if {cooldown.%player%} isn't set:
            set {cooldown.%player%} to false
        if {cooldown.%player%} is false:
            set {cooldown.%player%} to true
            execute command "essentials:nick %player% %arg-1%"
            message "&eUspesne sis zmenil jmeno!"
            wait 30 days
            set {cooldown.%player%} to false