'Update the ExportConfigurationInstance
:param bool enabled: The enabled
:param unicode webhook_url: The webhook_url
:param unicode webhook_method: The webhook_method
:param unicode email: The email
:returns: Updated ExportConfigurationInstance
:rtype: twilio.rest.preview.bulk_exports.export_configuration.ExportConfigurationInstance'

def update(self, enabled=values.unset, webhook_url=values.unset, webhook_method=values.unset, email=values.unset):

    data = values.of({'Enabled': enabled, 'WebhookUrl': webhook_url, 'WebhookMethod': webhook_method, 'Email': email})
    payload = self._version.update('POST', self._uri, data=data)
    return ExportConfigurationInstance(self._version, payload, resource_type=self._solution['resource_type'])
