docx-js/src/file/table-of-contents/sdt-properties.ts

// http://www.datypic.com/sc/ooxml/e-w_sdtPr-1.html
import { StringValueElement, XmlComponent } from "@file/xml-components";

export class StructuredDocumentTagProperties extends XmlComponent {
    public constructor(alias: string) {
        super("w:sdtPr");
        this.root.push(new StringValueElement("w:alias", alias));
    }
}