Parse and assign the priority for this response
        :param element: The XML Element object
        :type  element: etree._Element

def _parse_priority(self, element):
        """
        Parse and assign the priority for this response
        :param element: The XML Element object
        :type  element: etree._Element
        """
        self._log.debug('Setting Trigger priority: {priority}'.format(priority=element.text))
        self.priority = int(element.text)