'Generate an instance context for the instance, the context is capable of
performing various actions.  All instance actions are proxied to the context
:returns: SyncListContext for this SyncListInstance
:rtype: twilio.rest.sync.v1.service.sync_list.SyncListContext'

@property
def _proxy(self):

    if (self._context is None):
        self._context = SyncListContext(self._version, service_sid=self._solution['service_sid'], sid=self._solution['sid'])
    return self._context
