code: def get_qualification_requests(self, qualification_type_id,
                                     sort_by='Expiration',
                                     sort_direction='Ascending', page_size=10,
                                     page_number=1):
          
          params = {'QualificationTypeId' : qualification_type_id,
                    'SortProperty' : sort_by,
                    'SortDirection' : sort_direction,
                    'PageSize' : page_size,
                    'PageNumber' : page_number}
          return self._process_request('GetQualificationRequests', params,
                      [('QualificationRequest', QualificationRequest),])
docs: TODO: Document.