[iBeatz]

PHP Code:

function onCreated(){
  setshape(1,32,32);   //Set the shape of the NPC serverside so the triggeractions work.
}

function onActionGiveBombs(bombrequest){   // Executing the GiveBombs action.
  if((99 - player.bombs) > bombrequest){
    player.bombs += bombrequest;
    player.chat = "You received "@bombrequest SPC "bombs!";
  }
  else {
    player.bombs += 99 - player.bombs;
  }
}

function onActionGiveArrows(arrowrequest){   // Executing the GiveArrows action.
  if((99-player.darts) > arrowrequest){
    player.darts += arrowrequest;
    player.chat = "You received "@arrowrequest SPC "arrows!";
  }
  else {
    player.darts += 99-player.darts;
  }
}

//#CLIENTSIDE

function onCreated(){
  setshape(1,32,32);
}

function onPlayerChats(){
  temp.tokens = player.chat.tokenize();   // Tokenizing each word in the player's chat.
  if(temp.tokens[0] > 0 && temp.tokens[0] <= 99){   // Checking if the requested amount is more than 0 and less than or equal to 99.
    if(temp.tokens[1] == "bombs"){   // Checking if the player asked for bombs or arrows.
      triggeraction(this.x+.5,this.y+.5,"GiveBombs",temp.tokens[0]);   // Triggering the GiveBombs function on the serverside.
    }
    else if(temp.tokens[1] == "arrows"){
      triggeraction(this.x+.5,this.y+.5,"GiveArrows",temp.tokens[0]);   // Triggering the GiveArrows function on the serverside.
    }
  }
} 


This script adds both bombs and arrows, depending on what the second word is in you chat. It works in a level NPC.
Bombs and arrows can only be added serverside, which is why the triggeractions are placed in the script.
Your welcome.