Question about custom index page

Hi all,

I want to display in my custom index page not only "the newest members who have an avatar" but all.

I see :

$newest_members = elgg_get_entities_from_metadata(array('metadata_names' => 'icontime', 'types' => 'user', 'limit' => 10));

If i try for example :

$newest_members = elgg_get_entities_from_metadata(array('metadata_names' => 'user', 'types' => 'user', 'limit' => 10));

it does not work !

Thanks