def __init__(self, version, service_sid, identity, factor_sid):
super(ChallengeList, self).__init__(version)<EOL>self._solution = {'<STR_LIT>': service_sid, '<STR_LIT>': identity, '<STR_LIT>': factor_sid, }<EOL>self._uri = '<STR_LIT>'.format(**self._solution)<EOL>
Initialize the ChallengeList

:param Version version: Version that contains the resource
:param service_sid: Service Sid.
:param identity: Unique identity of the Entity
:param factor_sid: Factor Sid.

:returns: twilio.rest.authy.v1.service.entity.factor.challenge.ChallengeList
:rtype: twilio.rest.authy.v1.service.entity.factor.challenge.ChallengeList