'Initialize the TriggerInstance
:returns: twilio.rest.api.v2010.account.usage.trigger.TriggerInstance
:rtype: twilio.rest.api.v2010.account.usage.trigger.TriggerInstance'

def __init__(self, version, payload, account_sid, sid=None):

    super(TriggerInstance, self).__init__(version)
    self._properties = {'account_sid': payload['account_sid'], 'api_version': payload['api_version'], 'callback_method': payload['callback_method'], 'callback_url': payload['callback_url'], 'current_value': payload['current_value'], 'date_created': deserialize.rfc2822_datetime(payload['date_created']), 'date_fired': deserialize.rfc2822_datetime(payload['date_fired']), 'date_updated': deserialize.rfc2822_datetime(payload['date_updated']), 'friendly_name': payload['friendly_name'], 'recurring': payload['recurring'], 'sid': payload['sid'], 'trigger_by': payload['trigger_by'], 'trigger_value': payload['trigger_value'], 'uri': payload['uri'], 'usage_category': payload['usage_category'], 'usage_record_uri': payload['usage_record_uri']}
    self._context = None
    self._solution = {'account_sid': account_sid, 'sid': (sid or self._properties['sid'])}
