<configure
    xmlns="http://namespaces.zope.org/zope"
    xmlns:gs="http://namespaces.zope.org/genericsetup"
    i18n_domain="seantis.dir.base">
       
    <gs:upgradeStep
        title="Upgrade seantis.dir.base"
        description="seantis.dir.base upgrade step"
        source="1"
        destination="2012110201"
        handler=".upgrades.upgrade_to_2012110201"
        profile="seantis.dir.base:default" />
       
</configure>