Re: (How to) Make SQLData of UUID?

Any hints please?

CREATE OR REPLACE FUNCTION generatesurrogat() RETURNS uuid AS
$BODY$DECLARE 
uid UUID;
BEGIN
uid:=(select uuid_generate_v1());
RAISE NOTICE 'My UUID is %',uid;
return uid;
END$BODY$
LANGUAGE plpgsql VOLATILE
COST 100;