def METHOD_NAME(traffic_light):
    """
    Calculates the yaw of the waypoint that represents the trigger volume of the traffic light
    """
    def rotate_point(point, radians):
        """
        rotate a given point by a given angle
        """
        rotated_x = math.cos(radians) * point.x - math.sin(radians) * point.y
        rotated_y = math.sin(radians) * point.x - math.cos(radians) * point.y
        return carla.Vector3D(rotated_x, rotated_y, point.z)
    base_transform = traffic_light.get_transform()
    base_rot = base_transform.rotation.yaw
    area_loc = base_transform.transform(traffic_light.trigger_volume.location)
    area_ext = traffic_light.trigger_volume.extent
    point = rotate_point(carla.Vector3D(0, 0, area_ext.z), math.radians(base_rot))
    point_location = area_loc + carla.Location(x=point.x, y=point.y)
    return carla.Location(point_location.x, point_location.y, point_location.z)