how to instantiate a gameobject

/// <summary>
/// Creates a new Gameobject prefab called Name_1 for example
/// Instantiates the prefab
/// </summary>
public void AddGameObject()
{
	//created for example only
	GameObject testPrefab = new GameObject("Name_1");
    Vector3 objectPOS = Vector3.zero;

	GameObject newGameObject = Instantiate(testPrefab, objectPOS, Quaternion.identity);
}