Some test text!

Info dictionary

Information dictionary: adding custom data to a PDF in Node.js

To add custom data to an existing document.

// In case you have PDFDoc you can always access
// SDF/Cos document using PDFDoc.GetSDFDoc() method
const pdf_doc = await PDFNet.PDFDoc.createFromURL(filename);
const doc =  await pdf_doc.getSDFDoc();
const trailer = await doc.getTrailer(); // Get the trailer

// Create an Info dictionary
const info = await trailer.putDict('Info');
info.putString('Producer', 'PDFTron PDFNet');

// Create a custom inline dictionary within Infor dictionary
const customDict = await info.putDict('My Direct Dict');
customDict.putNumber('My Number', 100);

Cos/SDF low-level API to edit PDF files
Full code sample which illustrates how to use basic Cos/SDF API to edit an existing document.

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