Logger/Handler.php

<?php
/**
 * Copyright (c) Meta Platforms, Inc. and affiliates. All Rights Reserved
 */

namespace Facebook\BusinessExtension\Logger;

use Monolog\Logger;

class Handler extends \Magento\Framework\Logger\Handler\Base
{
  /**
   * Logging level
   * @var int
   */
    protected $loggerType = Logger::INFO;

  /**
   * File name
   * @var string
   */
    protected $fileName = '/var/log/facebook-business-extension.log';
}