How to find bind variables of a SQL-ID ?

SET PAUSE ON

SET PAUSE 'Press Return to Continue'

SET PAGESIZE 60

SET LINESIZE 300

COLUMN sql_text FORMAT A120

COLUMN sql_id FORMAT A13

COLUMN bind_name FORMAT A10

COLUMN bind_value FORMAT A26

SELECT

  sql_id, 

  b.name bind_name,

  b.value_string bind_value

FROM

  v$sql t

JOIN

  v$sql_bind_capture b  using (sql_id)

WHERE

  b.value_string is not null 

AND

  sql_id='&sqlid'