How do I create a folder in the internal memory, and inside it put 2 pdfs?

MIT App Inventor Help
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  1. Make sure you are using the very latest version of the extension that provide for all Android versions
    Create Build Crear App Inventor Extensiones Extensions Crear PDF. Leer PDF.
  2. Read all of this topic
    [FREE] Create PDF file Extension. Layout to PDF
  3. Try the attached aia project, which shows how to save to both pre and post API 29
    pdfA11.aia (12.8 KB)
  4. Assets are files you upload to the media folder in your designer