def METHOD_NAME(self):
    """Proxy result (grade/score) to LTI Result API."""
    # Fix any float point arithmetic issues
    score = round(self.parsed_params["score"], 4)
    self.lti_grading_service.METHOD_NAME(
        self.parsed_params["lis_result_sourcedid"],
        score,
        comment=self.parsed_params.get("comment"),
    )
    self.request.registry.notify(
        LTIEvent(
            request=self.request,
            type=LTIEvent.Type.GRADE,
            data={
                "student_user_id": self.parsed_params["student_user_id"],
                "score": score,
            },
        )
    )
    return {}