From 1088f877c1e7ef47a6358eb9e844a0d222c2d5d7 Mon Sep 17 00:00:00 2001
From: Thomas Gelf <thomas@gelf.net>
Date: Tue, 6 Oct 2015 09:17:16 +0200
Subject: [PATCH] BpNode: fix parent signature

---
 library/Businessprocess/BpNode.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/Businessprocess/BpNode.php b/library/Businessprocess/BpNode.php
index 34fd26c..279f224 100644
--- a/library/Businessprocess/BpNode.php
+++ b/library/Businessprocess/BpNode.php
@@ -229,7 +229,7 @@ class BpNode extends Node
         return $this->child_names;
     }
 
-    public function getChildren()
+    public function getChildren($filter = null)
     {
         if ($this->children === null) {
             $this->children = array();