on join:
    set {lastTimeOf::%player%} to "ONLINE"

on quit:
    set {lastTimeOf::%player%} to now

command /ostatniawizyta [<text>]:
    aliases: lasttime, ltime, ostatnioonline, kiedy, last
    trigger:
        if arg is not set:
            send "&4Poprawne uzycie: &6/ostatniawizyta <nick>"
        if {lastTimeOf::%arg%} is not set:
            send "&4Nie ma takiego gracza"
        else:
            if {lastTimeOf::%arg%} is "ONLINE":
                send "&6Gracz &a%arg% &6jest aktualnie &aONLINE"
            else:
                send "&6Gracz &a%arg% &6jest &4OFFLINE"
                send "&6Ostatni raz byl: &a%{lastTimeOf::%arg%}%"