def update(self, configuration_url=values.unset,<EOL>configuration_method=values.unset,<EOL>configuration_filters=values.unset,<EOL>configuration_triggers=values.unset,<EOL>configuration_flow_sid=values.unset,<EOL>configuration_retry_count=values.unset):
return self._proxy.update(<EOL>configuration_url=configuration_url,<EOL>configuration_method=configuration_method,<EOL>configuration_filters=configuration_filters,<EOL>configuration_triggers=configuration_triggers,<EOL>configuration_flow_sid=configuration_flow_sid,<EOL>configuration_retry_count=configuration_retry_count,<EOL>)<EOL>
Update the WebhookInstance

:param unicode configuration_url: The URL of the webhook to call
:param WebhookInstance.Method configuration_method: The HTTP method used to call `configuration.url`
:param unicode configuration_filters: The events that cause us to call the Channel Webhook
:param unicode configuration_triggers: A string that will cause us to call the webhook when it is found in a message body
:param unicode configuration_flow_sid: The SID of the Studio Flow to call when an event occurs
:param unicode configuration_retry_count: The number of times to retry the webhook if the first attempt fails

:returns: Updated WebhookInstance
:rtype: twilio.rest.chat.v2.service.channel.webhook.WebhookInstance