static function getRelationMassiveActionsSpecificities()
{
global $CFG_GLPI;
$specificities = parent::getRelationMassiveActionsSpecificities();
// Set the labels for add_item and remove_item
$specificities['button_labels']['add'] = _sx('button', 'Associate');
$specificities['button_labels']['remove'] = _sx('button', 'Dissociate');
return $specificities;
}