How to use the actions-on-google.LinkOutSuggestion function in actions-on-google

function suggestions(conv) {
  if (!conv.hasScreen) {
    conv.ask('Sorry, try this on a screen device or select the ' +
      'phone surface in the simulator.');
    return;
  }
  conv.ask('This is a simple response for suggestions.');
  conv.ask(new Suggestions('Suggestion Chips'));
  conv.ask(new Suggestions(intentSuggestions));
  conv.ask(new LinkOutSuggestion({
    name: 'Suggestion Link',
    url: 'https://assistant.google.com/',
  }));
}

async linkOutSuggestion (options: JLinkOutSuggestionOptions): Promise {
    const los: LinkOutSuggestionOptions = await this._render(options, jLinkOutSuggestionFields)
    return new LinkOutSuggestion(los)
  }

function suggestions(conv) {
  conv.ask('This is a simple response for suggestions.');
  conv.ask(new Suggestions(intentSuggestions));
  conv.ask(new LinkOutSuggestion({
    name: 'Suggestion Link',
    url: 'https://assistant.google.com/',
  }));
}