code: def update(self, enabled=values.unset, webhook_url=values.unset,
                 webhook_method=values.unset):
          
          data = values.of({'Enabled': enabled, 'WebhookUrl': webhook_url, 'WebhookMethod': webhook_method, })
  
          payload = self._version.update(
              'POST',
              self._uri,
              data=data,
          )
  
          return ExportConfigurationInstance(
              self._version,
              payload,
              resource_type=self._solution['resource_type'],
          )
docs: Update the ExportConfigurationInstance
  
          :param bool enabled: The enabled
          :param unicode webhook_url: The webhook_url
          :param unicode webhook_method: The webhook_method
  
          :returns: Updated ExportConfigurationInstance
          :rtype: twilio.rest.preview.bulk_exports.export_configuration.ExportConfigurationInstance