grafana/public/app/plugins/panel/news/module.tsx

import { PanelPlugin } from '@grafana/data';

import { NewsPanel } from './NewsPanel';
import { DEFAULT_FEED_URL } from './constants';
import { PanelOptions, defaultPanelOptions } from './panelcfg.gen';

export const plugin = new PanelPlugin<PanelOptions>(NewsPanel).setPanelOptions((builder) => {
  builder
    .addTextInput({
      path: 'feedUrl',
      name: 'URL',
      description: 'Supports RSS and Atom feeds',
      settings: {
        placeholder: DEFAULT_FEED_URL,
      },
      defaultValue: defaultPanelOptions.feedUrl,
    })
    .addBooleanSwitch({
      path: 'showImage',
      name: 'Show image',
      description: 'Controls if the news item social (og:image) image is shown above text content',
      defaultValue: defaultPanelOptions.showImage,
    });
});