public OnPlayerSpawn(playerid)
{
  if(IsPlayerNPC(playerid)) //Checks if the player that just spawned is an NPC.
  {
    new npcname[MAX_PLAYER_NAME];
    GetPlayerName(playerid, npcname, sizeof(npcname)); //Getting the NPC's name.
    if(!strcmp(npcname, "MyFirstNPC", true)) //Checking if the NPC's name is MyFirstNPC
    {
      PutPlayerInVehicle(playerid, MyFirstNPCVehicle, 0); //Putting the NPC into the vehicle we created for it.
    }
    return 1;
  }
  //Other stuff for normal players goes here!
  return 1;
}