Hi, One correction: In point 3. of my last mail we need to set the key oid='' instead of 'MyWebApp.ProductUpdate' (in this Xpath Pub/Sub example the oid will be uniquely generated by xmlBlaster). Marcel -- Marcel Ruff mailto:ruff at swand.lake.de http://www.lake.de/home/lake/swand/ http://www.xmlBlaster.org