How can I create dynamic pdf files from a page

{# my-page.pdf.twig #}
{{ outputPDF(page) }}

<?php
namespace Grav\Plugin;

use Composer\Autoload\ClassLoader;
use Grav\Common\Plugin;
use TCPDF;

class MYPDF extends TCPDF {
    public $logoPath;
    public $product;
    public $dxfIconPath;
    public $dxfFilePath;

    public function Header() {
        // Code
    }

    public function Footer() {
        // Code
     }
}

/**
 * Class ProductPDFPlugin
 * @package Grav\Plugin
 */
class ProductPDFPlugin extends Plugin
{
    /**
     * @return array
     *
     * The getSubscribedEvents() gives the core a list of events
     *     that the plugin wants to listen to. The key of each
     *     array section is the event that the plugin listens to
     *     and the value (in the form of an array) contains the
     *     callable (or function) as well as the priority. The
     *     higher the number the higher the priority.
     */
    public static function getSubscribedEvents(): array
    {
        return [
            'onPluginsInitialized' => [
                ['onPluginsInitialized', 0]
            ]
        ];
    }

    /**
     * Composer autoload
     *
     * @return ClassLoader
     */
    public function autoload(): ClassLoader
    {
        return require __DIR__ . '/vendor/autoload.php';
    }

    /**
     * Initialize the plugin
     */
    public function onPluginsInitialized(): void
    {
        // Don't proceed if we are in the admin plugin
        if ($this->isAdmin()) {
            return;
        }

        // Enable the main events we are interested in
        $this->enable([
            'onPageInitialized' => ['onPageInitialized', 0]
        ]);
    }

    /**
     * Handle the page initialization event
     */
    public function onPageInitialized(): void
    {      
         // Check if the current route is for generating a PDF
         $uri = $this->grav['uri'];
         $path = $uri->path();
         if (preg_match('/^\/products\/.+\.pdf$/', $path)) {
             $this->generatePDF($path);
         }
    }

    /**
     * Generate and display a PDF using TCPDF
     */
    private function generatePDF(string $path): void
    {
        // Extract product name from path
        $productName = basename($path, '.pdf');

        // Remove the .pdf extension to find the original page
        $originalPath = preg_replace('/\.pdf$/', '', $path);

        // Retrieve the original page
        $page = $this->grav['pages']->dispatch($originalPath, true);

        // Get product data from page frontmatter
        $product = $page->header()->product;

        // Create new PDF document
        $pdf = new MYPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);

        // Set document information
        $pdf->SetCreator(PDF_CREATOR);
        $pdf->SetAuthor('Your Name');
        $pdf->SetTitle($product['code'] . '[' . $product['name'] . ']');
        $pdf->SetSubject('Product PDF Document');
        $pdf->SetKeywords('TCPDF, PDF, product, guide');

        //HTML PDF CODE

        // Output PDF document
        $pdf->Output( $product['code'] . '[' . $product['name'] . ']'.'.pdf', 'I');

        // Stop Grav from further processing
        exit();
    }
}

composer required tecnickcom/tcpdf

use Composer\Autoload\ClassLoader;
use Grav\Common\Plugin;
require __DIR__ . '/vendor/autoload.php';
use TCPDF;