Putnpc clientside

[Tim_Rocks]

My suggestion should work. Here, I will prove it to you.

I would add the putNPC2 in a weapon of some sort.

PHP Code:

function onPlayerChats() {
  if (player.chat == ":dropitem") {
    
    with (putNPC2(player.x - 3, player.y + 1, "join item;")) { //I would change this to your class.
      this.owner = player.account;
    }
  
    player.chat = "I dropped the item!";
  }
} 


The class for the item will look like this, only you will be able to see it.

PHP Code:

function onCreated() {
  this.attr[5] = this.owner;
  
  this.setimg("block.png");
}

function onActionGrab() {
  if (player.account != this.owner) {
    return; //Prevents other players from taking the item.
  }
  
  player.chat = "Item added!";
  
  //Item adding will go here.
  
  this.destroy();
}

//#CLIENTSIDE
function onCreated() {
  if (player.account != this.attr[5]) {
    this.hide();
  } else {
    this.show();
  }
} 


Hopefully this was helpful.