LAST_KNOWN_TARGET = ""
GOT_TARGET = false

^ in setup



if (target.id > 0 and target.isplayer) then
	LAST_KNOWN_TARGET = target.name
	GOT_TARGET = true
end

if (GOT_TARGET) then
	if (target.id == 0) then
		attack(LAST_KNOWN_TARGET)
	end
end