Thank you for your purchase, {{$_GET.name}}!
\",\n \"filename\": \"invoice_{{$_GET.id}}.pdf\",\n \"path\": \"uploads/invoices/invoice_{{$_GET.id}}.pdf\",\n \"format\": \"A4\",\n \"landscape\": false,\n \"printBackground\": true,\n \"marginTop\": \"10mm\",\n \"marginBottom\": \"10mm\"\n}\n```\n\nThe action returns:\n\n```json\n{\n \"path\": \"/uploads/invoices/invoice_123.pdf\",\n \"filename\": \"invoice_123.pdf\",\n \"size\": 24531\n}\n```\n\nYou can then use `sc_action.data.path` (or the step's `output` name) on the client\nto show a download link, e.g. `Download PDF`.\n\n---\n\n## Configuration Options\n\n### **HTML Content**\n- **html** *(required)* β The HTML string to convert into PDF.\n\n### **PDF Output**\n- **filename** β Output filename (default: `document.pdf`)\n- **path** β Optional save path (e.g., `uploads/pdfs/report.pdf`)\n\n### **Page Settings**\n- **format** β `A4`, `A3`, `A5`, `Letter`, `Legal`, `Tabloid` \n- **landscape** β `true` or `false`\n- **printBackground** β Print background graphics (default: `true`)\n- **scale** β Rendering scale (`0.1` to `2`, default: `1`)\n\n### **Margins**\n- **marginTop**, **marginRight**, **marginBottom**, **marginLeft** \n Accepts units like `mm`, `cm`, or `in`.\n\n### **Header & Footer**\n- **displayHeaderFooter** β Enable header/footer rendering\n- **headerTemplate** β HTML template for header\n- **footerTemplate** β HTML template for footer \n *(Playwright requires full HTML fragments: `...`)*\n\n### **Advanced**\n- **preferCSSPageSize** β Use CSS-defined page size if present\n- **waitForSelector** β Wait for a specific element before generating\n- **waitTime** β Additional delay (ms) before PDF generation\n\nAll properties support static values or Wappler server data bindings.\n\n---\n\n## Dependency\n\nThis module uses **Playwright** (Chromium engine).\n\n---\n\n## Troubleshooting\n\n### \"browser executable not found\" / \"Executable doesn't exist\"\nPlaywright's Chromium binary is not installed. Run:\n```bash\nnpx playwright install --with-deps chromium\n```\nSee [Playwright Browser Install](#-important-playwright-browser-install) above.\n\n### PDF is generated but blank / missing content\n- The HTML is likely rendered before dynamic content (JS/images/fonts) finishes loading.\n- Use **waitForSelector** to wait for a specific element that indicates the content is ready.\n- Or use **waitTime** to add a fixed delay (in milliseconds) before the PDF is captured.\n\n### Background colors/images are missing\n- Ensure **printBackground** is set to `true` (default).\n- Some CSS backgrounds also require `-webkit-print-color-adjust: exact;` in your stylesheet.\n\n### Header/footer not showing\n- Make sure **displayHeaderFooter** is enabled.\n- **headerTemplate**/**footerTemplate** must be full HTML fragments (e.g. `