'Update the ServiceInstance
:param unicode friendly_name: The friendly_name
:param unicode apn_credential_sid: The apn_credential_sid
:param unicode gcm_credential_sid: The gcm_credential_sid
:param unicode messaging_service_sid: The messaging_service_sid
:param unicode facebook_messenger_page_id: The facebook_messenger_page_id
:param unicode default_apn_notification_protocol_version: The default_apn_notification_protocol_version
:param unicode default_gcm_notification_protocol_version: The default_gcm_notification_protocol_version
:param unicode fcm_credential_sid: The fcm_credential_sid
:param unicode default_fcm_notification_protocol_version: The default_fcm_notification_protocol_version
:param bool log_enabled: The log_enabled
:param unicode alexa_skill_id: The alexa_skill_id
:param unicode default_alexa_notification_protocol_version: The default_alexa_notification_protocol_version
:returns: Updated ServiceInstance
:rtype: twilio.rest.notify.v1.service.ServiceInstance'

def update(self, friendly_name=values.unset, apn_credential_sid=values.unset, gcm_credential_sid=values.unset, messaging_service_sid=values.unset, facebook_messenger_page_id=values.unset, default_apn_notification_protocol_version=values.unset, default_gcm_notification_protocol_version=values.unset, fcm_credential_sid=values.unset, default_fcm_notification_protocol_version=values.unset, log_enabled=values.unset, alexa_skill_id=values.unset, default_alexa_notification_protocol_version=values.unset):

    return self._proxy.update(friendly_name=friendly_name, apn_credential_sid=apn_credential_sid, gcm_credential_sid=gcm_credential_sid, messaging_service_sid=messaging_service_sid, facebook_messenger_page_id=facebook_messenger_page_id, default_apn_notification_protocol_version=default_apn_notification_protocol_version, default_gcm_notification_protocol_version=default_gcm_notification_protocol_version, fcm_credential_sid=fcm_credential_sid, default_fcm_notification_protocol_version=default_fcm_notification_protocol_version, log_enabled=log_enabled, alexa_skill_id=alexa_skill_id, default_alexa_notification_protocol_version=default_alexa_notification_protocol_version)
