add the trigger to prefix on new event

core/triggers/interface_01_modAgenda_PrefixTitleByBalloon.class.php

@@ -0,0 +1,31 @@
+<?php
+
+class InterfacePrefixTitleByBalloon extends DolibarrTriggers
+{
+
+	public function runTrigger($action, $object, User $user, Translate $langs, Conf $conf)
+	{
+		if('ACTION_CREATE' !== $action){
+			return 0 ;
+		}
+
+		if(!($object instanceof ActionComm)){
+			return 0 ;
+		}
+
+		if(!isset($object->array_options['options_bal']) || empty($object->array_options['options_bal'])){
+			return 0 ; // No balloon
+		}
+
+		$balloon = new Bbc_ballons($this->db);
+		$balloon->fetch($object->array_options['options_bal']);
+		if(empty($balloon->id)){
+			return 0 ; // No balloon found
+		}
+
+		$object->label = '['.$balloon->immat.'] - '.$object->label;
+		$object->update($user, true);
+
+		return 1;
+	}
+}