mapdev\FacebookMessenger\Callback\Delivered::__construct PHP Метод

    public function __construct($delivery, $useCarbonDate = false)
    {
        $this->mids = Helper::array_find($delivery, 'mids');
        $this->watermark = Helper::array_find($delivery, 'watermark');
        if ($useCarbonDate) {
            $this->datetime = \Carbon\Carbon::createFromTimestamp($this->watermark / 1000);
        }
        //if  needed
        $this->seq = Helper::array_find($delivery, 'seq');
    }