'Access the origination_urls
:returns: twilio.rest.trunking.v1.trunk.origination_url.OriginationUrlList
:rtype: twilio.rest.trunking.v1.trunk.origination_url.OriginationUrlList'

@property
def origination_urls(self):

    if (self._origination_urls is None):
        self._origination_urls = OriginationUrlList(self._version, trunk_sid=self._solution['sid'])
    return self._origination_urls
