code: def get_description(self):
          
          if self.card:
              card_description = self.card.get_description()
          else:
              card_description = 'Cardless'
  
          if card_description:
              card_description += ' | '
  
          return card_description + self.description if self.description else card_description + self.type + ' ' + str(self.IsoMessage.FieldData(11))
docs: Get transaction description (for logging purposes)