```js
// Page.stories.js|jsx

import React from 'react';

import { Page } from './Page';

export default {
  /* 👇 The title prop is optional.
   * See https://storybook.js.org/docs/7.0/react/configure/overview#configure-story-loading
   * to learn how to generate automatic titles
   */
  title: 'Page',
  component: Page,
};

/*
 *👇 Render functions are a framework specific feature to allow you control on how the component renders.
 * See https://storybook.js.org/docs/7.0/react/api/csf
 * to learn how to use render functions.
 */
export const CustomFooter = {
  render: (args) => (
    <Page {...args}>
      <footer>{args.footer}</footer>
    </Page>
  ),
  args: {
    footer: 'Built with Storybook',
  },
};
```
