diff --git a/inc/envoyer_gamumail.php b/inc/envoyer_gamumail.php
index f513481..17dd884 100644
--- a/inc/envoyer_gamumail.php
+++ b/inc/envoyer_gamumail.php
@@ -26,9 +26,10 @@ if (!defined('_ECRIRE_INC_VERSION')){
  *			]
  *		]
  *		$options['args' => ['param_1' => 'valeur_1, 'param_2' => 'valeur_2', ...]]
+ *	@param Array $Tid_doc_piece_jointe => Array id_doc a ajouter comme piece jointe
  *
  */
-function inc_envoyer_gamumail($slug, $destinataires, $options = []) {
+function inc_envoyer_gamumail($slug, $destinataires, $options = [], $Tid_doc_piece_jointe = []) {
 	include_spip('inc/texte');
 	include_spip('classes/facteur');
 
@@ -91,6 +92,8 @@ function inc_envoyer_gamumail($slug, $destinataires, $options = []) {
 			$Tid_doc[] = $doc;
 		}
 	}
+	$Tid_doc = array_merge($Tid_doc, $Tid_doc_piece_jointe);
+
 	// récup des paramètres des docs à attacher
 	if (!empty($Tid_doc)) {
 		foreach ($Tid_doc as $id_document) {