code: def __set_client_detail(self, *args, **kwargs):
          
  
          client_detail = self.client.factory.create('ClientDetail')
          client_detail.AccountNumber = self.config_obj.account_number
          client_detail.MeterNumber = self.config_obj.meter_number
          client_detail.IntegratorId = self.config_obj.integrator_id
          if hasattr(client_detail, 'Region'):
              client_detail.Region = self.config_obj.express_region_code
  
          client_language_code = kwargs.get('client_language_code', None)
          client_locale_code = kwargs.get('client_locale_code', None)
  
          if hasattr(client_detail, 'Localization') and (client_language_code or client_locale_code):
              localization = self.client.factory.create('Localization')
  
              if client_language_code:
                  localization.LanguageCode = client_language_code
  
              if client_locale_code:
                  localization.LocaleCode = client_locale_code
  
              client_detail.Localization = localization
  
          self.ClientDetail = client_detail
docs: Sets up the ClientDetail node, which is required for all shipping
          related requests.