diff --git a/htdocs/core/class/html.formmail.class.php b/htdocs/core/class/html.formmail.class.php
index f562d36e2a1..5ff93994e73 100644
--- a/htdocs/core/class/html.formmail.class.php
+++ b/htdocs/core/class/html.formmail.class.php
@@ -996,7 +996,7 @@ class FormMail extends Form
 	 * 		@param	string		$type_template	Get message for type=$type_template, type='all' also included.
 	 *      @param	string		$user			Use template public or limited to this user
 	 *      @param	Translate	$outputlangs	Output lang object
-	 *      @param	int			$id				Id of template to find, or -1 for first found with lower position, or 0 for first found whatever is position
+	 *      @param	int			$id				Id of template to find, or -1 for first found with position 0, or 0 for first found whatever is position or -2 for exact match with label (no aswer if not found)
 	 *      @param  int         $active         1=Only active template, 0=Only disabled, -1=All
 	 *      @param	string		$label			Label of template
 	 *      @return ModelMail
@@ -1005,6 +1005,12 @@ class FormMail extends Form
 	{
 		$ret = new ModelMail();
 
+		if ($id == -2 && empty($label))
+		{
+			$this->error = 'LabelIsMandatoryWhenIdIs-2';
+			return -1;
+		}
+
 		$sql = "SELECT label, topic, joinfiles, content, content_lines, lang";
 		$sql.= " FROM ".MAIN_DB_PREFIX.'c_email_templates';
 		$sql.= " WHERE (type_template='".$db->escape($type_template)."' OR type_template='all')";
@@ -1034,8 +1040,11 @@ class FormMail extends Form
 				$ret->content_lines = $obj->content_lines;
 				$ret->joinfiles = $obj->joinfiles;
 			}
-			else								// If there is no template at all
-			{
+			elseif($id == -2) {
+				// Not found with the provided label
+				return -1;
+			}
+			else {	// If there is no template at all
 				$defaultmessage='';
 				if     ($type_template=='facture_send')	            { $defaultmessage=$outputlangs->transnoentities("PredefinedMailContentSendInvoice"); }
 				elseif ($type_template=='facture_relance')			{ $defaultmessage=$outputlangs->transnoentities("PredefinedMailContentSendInvoiceReminder"); }
diff --git a/htdocs/modulebuilder/template/class/myobject.class.php b/htdocs/modulebuilder/template/class/myobject.class.php
index 267a869fb46..d0259c2f9cb 100644
--- a/htdocs/modulebuilder/template/class/myobject.class.php
+++ b/htdocs/modulebuilder/template/class/myobject.class.php
@@ -461,10 +461,11 @@ class MyObject extends CommonObject
 
 	/**
 	 * Action executed by scheduler
-	 * CAN BE A CRON TASK
+	 * CAN BE A CRON TASK. In such a case, paramerts come from the schedule job setup field 'Parameters'
 	 *
 	 * @return	int			0 if OK, <>0 if KO (this function is used also by cron so only 0 is OK)
 	 */
+	//public function doScheduledJob($param1, $param2, ...)
 	public function doScheduledJob()
 	{
 		global $conf, $langs;