code: def complete_offer(self, offer_id, complete_dict):
          
          return self._create_put_request(
              resource=OFFERS,
              billomat_id=offer_id,
              command=COMPLETE,
              send_data=complete_dict
          )
docs: Completes an offer
  
          :param complete_dict: the complete dict with the template id
          :param offer_id: the offer id
          :return: Response