public function custom($sessionId, $mediaId, $event)
    {
        $parameters = [
            'query' => [],
            'body' => json_encode(['sessionId' => $sessionId, 'mediaId' => $mediaId, 'event' => $event], JSON_UNESCAPED_UNICODE),
            'headers' => [],
        ];

        $result = $this->post('v1/events/custom', $parameters, true);

        return $result;
    }