def __call__(self, sid):
return FactorContext(<EOL>self._version,<EOL>service_sid=self._solution['<STR_LIT>'],<EOL>identity=self._solution['<STR_LIT>'],<EOL>sid=sid,<EOL>)<EOL>
Constructs a FactorContext

:param sid: A string that uniquely identifies this Factor.

:returns: twilio.rest.authy.v1.service.entity.factor.FactorContext
:rtype: twilio.rest.authy.v1.service.entity.factor.FactorContext