code: def list_from_document(cls, doc):
          
          objs = []
          for feu in doc.xpath('//FEU'):
              detail_els = feu.xpath('event-element-details/event-element-detail')
              for idx, detail in enumerate(detail_els):
                  objs.append(cls(feu, detail, id_suffix=idx, number_in_group=len(detail_els)))
          return objs
docs: Returns a list of TMDDEventConverter elements.
  
          doc is an XML Element containing one or more <FEU> events