How to create spawnPoint for bullet shoot

hello all i am going to develop an 3d game where i want to fire bullets by gun i have searched for fire and also using a simple code for firing the bullet following code is working but i dont know how to create spawnPoint var BulletPrefab :Transform; var force : float = 2;

 function Update() 
 { 
     if(Input.GetButtonDown("Fire1")) 
     { var bullet = Instantiate(BulletPrefab,GameObject.Find("spawnPoint").transform.position,Quaternion.identity);
         bullet.rigidbody.AddForce(transform.forward * force);
 
 } }