code: def search(self, filters=None, fields=None, limit=None, page=1):
          
          options = {
              'imported': False,
              'filters': filters or {},
              'fields': fields or [],
              'limit': limit or 1000,
              'page': page,
          }
          return self.call('sales_order.search', [options])
docs: Retrieve order list by options using search api. Using this result can
          be paginated
  
          :param options: Dictionary of options.
  
          :param filters: `{<attribute>:{<operator>:<value>}}`
          :param fields: [<String: magento field names>, ...]
          :param limit: `page limit`
          :param page: `current page`
  
          :return: `list` of `dict`