ProviderHostedCustomUIActionsWeb.Models.ContactsListManager.AddRockStars C# (CSharp) Method

        public void AddRockStars()
        {
            AddNewContact("Jim", "Morrison", "The Doors", "[email protected]", "(888)111-2222", "(813)222-3333");
              AddNewContact("John", "Lennon", "The Beatles", "[email protected]", "(777)111-3333", "(813)222-3333");
              AddNewContact("Janis", "Joplin", "The Holding Company", "[email protected]", "(888)111-2222", "(813)222-3333");
              AddNewContact("Eric", "Clapton", "Blind Faith", "[email protected]", "(888)111-2222", "(813)222-3333");
              AddNewContact("Jimi", "Hendrix", "The Jimi Hendrix Experience", "[email protected]", "(888)111-2222", "(813)222-3333");
        }

 public ActionResult AddRockStars(string SPListId)
 {
     ContactsListManager contactsListManager = new ContactsListManager(new Guid(SPListId));
       contactsListManager.AddRockStars();
       return View();
 }