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// Custom Properties// Custom properties are incredibly useful if you want to be able to apply quick parts or custom cover pages// to the document in Word after the document has been generated. Standard properties (such as creator, title// and subject) cover typical use cases, but sometimes custom properties are required.
import * as fs from "fs";import { Document, Packer } from "docx";
const doc = new Document(    // Standard properties    {        creator: "Creator",        title: "Title",        subject: "Subject",        description: "Description",        customProperties: [            { name: "Subtitle", value: "Subtitle" },            { name: "Address", value: "Address" },        ],        sections: [],    },);
Packer.toBuffer(doc).then((buffer) => {    fs.writeFileSync("My Document.docx", buffer);});