'Update the SimInstance
:param unicode unique_name: The unique_name
:param unicode callback_method: The callback_method
:param unicode callback_url: The callback_url
:param unicode friendly_name: The friendly_name
:param unicode rate_plan: The rate_plan
:param SimInstance.Status status: The status
:param unicode commands_callback_method: The commands_callback_method
:param unicode commands_callback_url: The commands_callback_url
:param unicode sms_fallback_method: The sms_fallback_method
:param unicode sms_fallback_url: The sms_fallback_url
:param unicode sms_method: The sms_method
:param unicode sms_url: The sms_url
:param unicode voice_fallback_method: The voice_fallback_method
:param unicode voice_fallback_url: The voice_fallback_url
:param unicode voice_method: The voice_method
:param unicode voice_url: The voice_url
:returns: Updated SimInstance
:rtype: twilio.rest.wireless.v1.sim.SimInstance'

def update(self, unique_name=values.unset, callback_method=values.unset, callback_url=values.unset, friendly_name=values.unset, rate_plan=values.unset, status=values.unset, commands_callback_method=values.unset, commands_callback_url=values.unset, sms_fallback_method=values.unset, sms_fallback_url=values.unset, sms_method=values.unset, sms_url=values.unset, voice_fallback_method=values.unset, voice_fallback_url=values.unset, voice_method=values.unset, voice_url=values.unset):

    data = values.of({'UniqueName': unique_name, 'CallbackMethod': callback_method, 'CallbackUrl': callback_url, 'FriendlyName': friendly_name, 'RatePlan': rate_plan, 'Status': status, 'CommandsCallbackMethod': commands_callback_method, 'CommandsCallbackUrl': commands_callback_url, 'SmsFallbackMethod': sms_fallback_method, 'SmsFallbackUrl': sms_fallback_url, 'SmsMethod': sms_method, 'SmsUrl': sms_url, 'VoiceFallbackMethod': voice_fallback_method, 'VoiceFallbackUrl': voice_fallback_url, 'VoiceMethod': voice_method, 'VoiceUrl': voice_url})
    payload = self._version.update('POST', self._uri, data=data)
    return SimInstance(self._version, payload, sid=self._solution['sid'])
