code: def as_xml(self):
          
          result = Stanza.as_xml(self)
          if self._show:
              child = ElementTree.SubElement(result, self._show_tag)
              child.text = self._show
          if self._status:
              child = ElementTree.SubElement(result, self._status_tag)
              child.text = self._status
          if self._priority:
              child = ElementTree.SubElement(result, self._priority_tag)
              child.text = unicode(self._priority)
          return result
docs: Return the XML stanza representation.
  
          Always return an independent copy of the stanza XML representation,
          which can be freely modified without affecting the stanza.
  
          :returntype: :etree:`ElementTree.Element`