Search notes:

Oracle: DBMS_APPLICATION_INFO

Procedures

`read_client_info`, `set_client_info`
`read_module`, `set_module`
`set_action`
`set_session_longops`

begin
   dbms_application_info.set_client_info('tq84 client');
   dbms_application_info.set_module     ('tq84 module', 'tq84_action');
end;
/

select
   client_info,
   module,
   action
from
   v$session
where
   sid = sys_context('userenv', 'sid');

begin
   dbms_application_info.set_action('tq84 another action');
end;
/