on join:
    if {join::date::%uuid of player%} is not set:
        set {join::date::%uuid of the player%} to now
command /czasgry [<offline player>]:
    trigger:
        if arg 1 is set:
            if {join::date::%uuid of arg-1%} is set:
                send "&c%arg-1% grał &a%arg-1's time played%" to player
            else:
                send "&cTen gracz &4nigdy &cnie grał na serwerze :(" to player
        else:
            send "&cTwój czas gry to &a%player's time played%" to player