return multiple rows

Hi all,
I have a FUNCTION queried like this:
SELECT * FROM f_authorize_check_query2('%{SQL-User-Name}','%{User-Password}' [...];

Built this way:
CREATE FUNCTION f_authorize_check_query2(...) RETURNS radcheck
AS $_$
DECLARE
[...]
v_ret radcheck%ROWTYPE;
[...]
SELECT INTO v_ret '111',username,'Cleartext-Password',pwd,':=' FROM [...]
RETURN v_ret;
END;
$_$
LANGUAGE plpgsql;

It returns only one row, like this:
+----+----------+--------------------+----+-------+
| id | UserName | Attribute | op | Value |
+----+----------+--------------------+----+-------+
| 1 | bartek | Cleartext-Password | := | 1234 |
+----+----------+--------------------+----+-------+

I would like it to return
+----+----------+--------------------+----+-------+
| id | UserName | Attribute | op | Value |
+----+----------+--------------------+----+-------+
| 1 | bartek | Cleartext-Password | := | 1234 |
| 3 | bartek | Simultaneous-Use | := | 1 |
+----+----------+--------------------+----+-------+

*But*, I would like to _hardcode_ the "Simultaneous-Use" row.
If I use a FUNCTION to build the "Cleartext-Password" row, it's because the data structure
could not have been feetched simply.

Is SELECTing INTO a second time OK?

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