async function setAnyoneWithLinkResponder(formId) {
  const authClient = await authenticate({
    keyfilePath: CREDENTIALS_PATH,
    scopes: SCOPES,
  });

  const driveService = drive({version: 'v3', auth: authClient});

  const permissionBody = {
    type: 'anyone',
    view: 'published',  // Key for making it a responder setting
    role: 'reader',
  };

  try {
    const res = await driveService.permissions.create({
      fileId: formId,
      requestBody: permissionBody,
      fields: 'id',  // Request only needed fields
    });
    console.log(`'Anyone with the link can respond' permission set for form '${
        formId}'. Permission ID: ${res.data.id}`);
  } catch (err) {
    console.error(
        'Error setting "anyone with link" permission:', err.message || err);
  }
}
Sets anyone with the link to be a responder for the form.

@param {string} formId The ID of the Google Form.