--- a/py_ext/PythonFileCTNMixin.py	Thu Sep 17 11:30:22 2020 +0200
+++ b/py_ext/PythonFileCTNMixin.py	Tue Oct 20 00:23:52 2020 +0200
@@ -111,7 +111,8 @@
         configname = self.GetCTRoot().GetProjectConfigNames()[0]
 
         def _onchangecode(var):
-            return var.getonchange() + "('" + var.getname() + "')"
+            return [onchangecall.strip() + "('" + var.getname() + "')"
+                    for onchangecall in var.getonchange().split(',')]
 
         def _onchange(var):
             return repr(var.getonchange()) \
@@ -159,7 +160,9 @@
     if changes.next():
         # %(name)s
         try:
-            %(onchangecode)s
+""" % varinfo + """ 
+            """ + """
+            """.join(varinfo['onchangecode'])+"""
         except Exception as e:
             errors.append("%(name)s: "+str(e))
 """ % varinfo for varinfo in varinfos if varinfo["onchange"]])

--- a/tests/python/plc.xml	Thu Sep 17 11:30:22 2020 +0200
+++ b/tests/python/plc.xml	Tue Oct 20 00:23:52 2020 +0200
@@ -1,7 +1,7 @@
 <?xml version='1.0' encoding='utf-8'?>
 <project xmlns="http://www.plcopen.org/xml/tc6_0201" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xhtml="http://www.w3.org/1999/xhtml" xsi:schemaLocation="http://www.plcopen.org/xml/tc6_0201">
   <fileHeader companyName="" productName="Beremiz" productVersion="0.0" creationDateTime="2008-12-14T16:21:19" contentDescription="This example shows many features in Beremiz:&#10;&#10;   1. How to implement python extensions.&#10;   2. How to implement basic C extension.&#10;   3. How to use C code in IEC POUs.&#10;   4. How to call C functions from python code.&#10;   5. How to avoid race conditions between IEC, C and python code.&#10;   6. How to convert betweet different IEC types.&#10;"/>
-  <contentHeader name="Beremiz Python Support Tests" modificationDateTime="2020-06-17T13:19:14">
+  <contentHeader name="Beremiz Python Support Tests" modificationDateTime="2020-10-19T23:53:08">
     <coordinateInfo>
       <pageSize x="1024" y="1024"/>
       <fbd>

--- a/tests/python/py_ext_0@py_ext/pyfile.xml	Thu Sep 17 11:30:22 2020 +0200
+++ b/tests/python/py_ext_0@py_ext/pyfile.xml	Tue Oct 20 00:23:52 2020 +0200
@@ -2,7 +2,7 @@
 <PyFile xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
   <variables>
     <variable name="SomeVarName" type="DINT" onchange="MyFunc"/>
-    <variable name="Grumpf" type="STRING" initial="'mhoo'" onchange="MyFunc"/>
+    <variable name="Grumpf" type="STRING" initial="'mhoo'" onchange="MyFunc, MyOtherFunc"/>
   </variables>
   <globals>
     <xhtml:p><![CDATA[
@@ -12,6 +12,10 @@
 def MyFunc(*args):
     print args
 
+def MyOtherFunc(*args):
+    print "other", args
+
+
 ]]></xhtml:p>
   </globals>
   <init>