'Access the add_on_results
:returns: twilio.rest.api.v2010.account.recording.add_on_result.AddOnResultList
:rtype: twilio.rest.api.v2010.account.recording.add_on_result.AddOnResultList'

@property
def add_on_results(self):

    if (self._add_on_results is None):
        self._add_on_results = AddOnResultList(self._version, account_sid=self._solution['account_sid'], reference_sid=self._solution['sid'])
    return self._add_on_results
