<configure 
    xmlns="http://namespaces.zope.org/zope"
    xmlns:meta="http://namespaces.zope.org/meta">

  <meta:directives namespace="http://namespaces.zope.org/zcml">
    
    <meta:directive
        name="customAction"
        schema=".zcml.ICustomActionDirective"
        handler=".zcml.customAction"
        />
  
  </meta:directives>

</configure>
