Passing a row

PostgreSQL Version:
PostgreSQL 7.3.4 on i386-redhat-linux-gnu, compiled by GCC
i386-redhat-linux-gcc (GCC) 3.2.2 20030222 (Red Hat Linux 3.2.2-5)

I'm trying to pass a row into a function and cannot get it to work. The code
doing the calling is (logs_preupd_func):
DECLARE
test RECORD;
...
...

SELECT INTO test * FROM logs WHERE order_num = new.order_num;
PERFORM valid_event_time (test);

The defintition for valid_event_time ():

CREATE OR REPLACE FUNCTION valid_event_time (logs)
RETURNS text AS '
.
.
.
I get the following error:
WARNING: Error occurred while executing PL/pgSQL function logs_preupd_func
WARNING: line 131 at assignment
ERROR: Attribute "test" not found

This example in the docs indicates that this can be done as in:
CREATE FUNCTION use_two_tables(tablename) RETURNS TEXT AS '
DECLARE
in_t ALIAS FOR $1;
use_t table2name%ROWTYPE;
BEGIN
SELECT * INTO use_t FROM table2name WHERE ... ;
RETURN in_t.f1 || use_t.f3 || in_t.f5 || use_t.f7;
END;
' LANGUAGE 'plpgsql';

Can anybody show me the error of my ways?

Thanks...
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