[pawn]new gHeadValue[MAX_PLAYERS];[/pawn]
[pawn]
public OnPlayerSpawn(playerid)
{
   gHeadValue[playerid] = 300; //Set player head value 300
   return 1;
}
public OnPlayerDeath(playerid, killerid, reason)
{
   if (killerid != INVALID_PLAYER_ID) //Verify if the player has died by another player.
   {
      GivePlayerMoney(killerid, gHeadValue[playerid]); //Give to killer the worth of player head...
      gHeadValue[killerid] += 1000; //Set killer head value = value + 1000
      
      //msgs
      SendClientMessage(killerid, -1, "You have killed +1 noob, so, now your head worth +$1.000");
      SendClientMessage(playerid, -1, "You died, now your head start into the original price($300)");
   }
   return 1;
}[/pawn]