how to setting user logined in expires time and

[jackbbhua]

hi,there how can i seting the Lifetime like this？
/* |--------------------------------------------------------------------------

Session Lifetime
Here you may specify the number of minutes that you wish the session
to be allowed to remain idle before it expires. If you want them
to immediately expire on the browser closing, set that option.

*/

'lifetime' => 120,

'expire_on_close' => true,

this is original file from config/session.php.

thank you.