/**
  * Function to add new user by providing username and password
  * 
  * @param type $userName
  * @param type $password
  */
 public function addUser($userName, $password, $fullName){
     $parameters = new AddUser();
     $parameters->userName = $userName;
     $parameters->credential = $password;
     $parameters->claims = null;
     $parameters->profileName = $fullName;
     $parameters->requirePasswordChange = false;
     $parameters->roleList = null;
     $this->serviceStub->addUser($parameters);
 }