Show open dialog with security scoped bookmarks and access them

electron.js

const settings = require('electron-settings');  

dialog
    .showOpenDialog(mainWindow, {
      properties: ['openDirectory'],
      securityScopedBookmarks: true,
    })
    .then(({ canceled, filePaths, bookmarks }) => {
      // If the dialog was canceled or no directory/file selected we don't want to do anything
      if (canceled || filePaths.length === 0) {
        return;
      }

      if (bookmarks && bookmarks.length) {
        // store the bookmark key
        settings.set('security-scoped-bookmark', bookmarks[0]);
      }

      // do something with the file path, e.g. send to your application
      const [directory] = filePaths;
      mainWindow.webContents.send('new-directory', directory);
    })

///////////////////
// access security scope bookmark

const { app } = require('electron');
const settings = require('electron-settings');

const securityBookmark = settings.get('security-scoped-bookmark');
if (securityBookmark) {
  app.startAccessingSecurityScopedResource(securityBookmark);
}