'Initialize the SyncListItemInstance
:returns: twilio.rest.preview.sync.service.sync_list.sync_list_item.SyncListItemInstance
:rtype: twilio.rest.preview.sync.service.sync_list.sync_list_item.SyncListItemInstance'

def __init__(self, version, payload, service_sid, list_sid, index=None):

    super(SyncListItemInstance, self).__init__(version)
    self._properties = {'index': deserialize.integer(payload['index']), 'account_sid': payload['account_sid'], 'service_sid': payload['service_sid'], 'list_sid': payload['list_sid'], 'url': payload['url'], 'revision': payload['revision'], 'data': payload['data'], 'date_created': deserialize.iso8601_datetime(payload['date_created']), 'date_updated': deserialize.iso8601_datetime(payload['date_updated']), 'created_by': payload['created_by']}
    self._context = None
    self._solution = {'service_sid': service_sid, 'list_sid': list_sid, 'index': (index or self._properties['index'])}
