'Update the ShortCodeInstance
:param unicode friendly_name: A human readable description of this resource
:param unicode api_version: The API version to use
:param unicode sms_url: URL Twilio will request when receiving an SMS
:param unicode sms_method: HTTP method to use when requesting the sms url
:param unicode sms_fallback_url: URL Twilio will request if an error occurs in executing TwiML
:param unicode sms_fallback_method: HTTP method Twilio will use with sms fallback url
:returns: Updated ShortCodeInstance
:rtype: twilio.rest.api.v2010.account.short_code.ShortCodeInstance'

def update(self, friendly_name=values.unset, api_version=values.unset, sms_url=values.unset, sms_method=values.unset, sms_fallback_url=values.unset, sms_fallback_method=values.unset):

    return self._proxy.update(friendly_name=friendly_name, api_version=api_version, sms_url=sms_url, sms_method=sms_method, sms_fallback_url=sms_fallback_url, sms_fallback_method=sms_fallback_method)
