public function action()
 {
     Exits::exit403If(!Operator::currentOperatorHasAnyOfPermissions([Permissions::PERMISSION_PHPAUTH_MANAGE_USERS_PERMISSIONS]));
     $permissiontouser_obj = new PermissionToUser();
     $permissiontouser_obj->setUserId($this->user_id);
     $permissiontouser_obj->setPermissionId($this->permission_id);
     $permissiontouser_obj->save();
     \OLOG\Redirects::redirect((new UserEditAction($this->user_id))->url());
 }