CREATE FUNCTION FUNCTION _api.root()
RETURNS JSON
LANGUAGE plpgsql;
AS $BODY$
DECLARE
openapi JSON = $$
  {
    "swagger": "2.0",
    "info": {
      "title": "XSSBook",
      "description": "XSSBook Api Documentation"
    }
  }
$$;
BEGIN
	RETURN openapi;
END
$BODY$;