code: def related_element_type(self):
          
          if 'related_element_type' in self.data:
              return self.data.get('related_element_type')
          return None if self.dynamic_nicid or (self.nicid and '.' in self.nicid) else \
              Element.from_href(self.data.get('href')).typeof
docs: .. versionadded:: 0.6.0
              Requires SMC version >= 6.4
              
          Related element type defines the 'type' of element at this
          routing or antispoofing node level.
          
          :rtype: str