function execute()
 {
     $context = $this->getContext();
     $controller = $context->getController();
     $request = $context->getRequest();
     $user = $context->getUser();
     // 対象となるユーザコミュニティIDを取得
     $user_community_id = $request->ACSgetParameter('id');
     $form = $request->ACSGetParameters();
     $form['user_community_id'] = $user_community_id;
     // 作成
     $form['community_id'] = ACSUser::set_friends_group($form);
     // メンバセット
     ACSUser::update_friends_group_member($form);
     $friends_group_list_top_page_url = $this->getControllerPath('User', 'FriendsGroupList') . '&id=' . $user_community_id;
     header("Location: {$friends_group_list_top_page_url}");
 }