         self.navigationController?.navigationBar.tintColor = UIColor.white
         let titleDict: NSDictionary = [NSForegroundColorAttributeName: UIColor.white]
         self.navigationController?.navigationBar.titleTextAttributes = titleDict as? [String : Any]
-        self.navigationItem.title = "Select Users"
+        self.navigationItem.title = "Invite Classmates"
         //navigationItem.leftBarButtonItem = UIBarButtonItem(title: "Back", style: .plain, target: self, action: #selector(handleBack))
         navigationItem.rightBarButtonItem = UIBarButtonItem(title: "Send", style: .plain, target: self, action: #selector(handleSend))
+        navigationItem.leftBarButtonItem = UIBarButtonItem(title: "Skip", style: .plain, target: self, action: #selector(handleSkip))
         tableView.register(GroupCell.self, forCellReuseIdentifier: "userCell")
     }
     

        }
    }
    
    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        let numRows = usersInClass.count
        

            }
        })
    }
}

class ChatUser: NSObject {
