command /wlasciciel [<player>]:
	trigger:
		player has permission "wlasciciel":
			arg 1 is set:
				set {wlasciciel} to arg
				stop
			send "/wlasciciel <nazwa_gracza>"
			stop
on chat:
	name of player is {wlasciciel}:
		set message to coloured "&4%message%"