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

:param sid: The unique string that identifies the resource

:returns: twilio.rest.autopilot.v1.assistant.model_build.ModelBuildContext
:rtype: twilio.rest.autopilot.v1.assistant.model_build.ModelBuildContext