if (attacker != null)
{
SystemMessage sm = new SystemMessage(SystemMessageId.PET_RECEIVED_S2_DAMAGE_BY_S1);
if (attacker instanceof L2NpcInstance)
sm.addNpcName(((L2NpcInstance)attacker).getTemplate().idTemplate);
else
sm.addString(attacker.getName());
sm.addNumber((int)value);
getActiveChar().getOwner().sendPacket(sm);