[[XST]O_x]

pawn Код:

public OnPlayerPickUpPickup(playerid, pickupid)
{
  if(pickupid == pickupid)
  {
     if(!IsPlayerAdmin(playerid))
     {
       SendClientMessage(playerid,Color,"Message :P");
     }
  }
  return 1;
}

It also depends on your admin system,IsPlayerAdmin checks if a player is connected to RCON,for example in LAdmin it's IsPlayerLAdmin(playerid) ..