code: def doSendRefundForms(self, item_id, buyer_id, reason, quantity_sold):
          
          # TODO: deprecated
          return self.__ask__('doSendRefundForms',
                              sendRefundFormsDataArr={
                                  'item': {
                                      'itemId': item_id, 'buyerId': buyer_id,
                                      'refundReason': reason, 'itemQuantitySold': quantity_sold
                                  }
                              })['sendRefundFormsResultsArr']
docs: http://allegro.pl/webapi/documentation.php/show/id,201