i found it, in course/lib.php i add this
$actions['a_e'] = new action_menu_link_secondary(
new moodle_url($baseurl, array('id' => $mod->id, 'indent' => '1')), new pix_icon($rightarrow,'etudiant-apprenti', 'moodle', array('class' => 'iconsmall', 'title' => '')),'a_e', array('class' => 'editing_moveright ' . $enabledclass, 'data-action' => 'a_e', 'data-keepopen' => true)
);
now i have link "a_e",
is it possible have the same link add 2 icone link ?
icone1 and icone 2 i want execute directely query sql