```md
<!-- Page.stories.mdx -->

import { Meta, Story } from '@storybook/addon-docs';

import { Page } from './Page';

<Meta title="Page" component={Page} />


export const Template = (args) => (
  <Page {...args}>
    <footer>{args.footer}</footer>
  </Page>
);

<Story
  name="CustomFooter"
  args={{
    footer: 'Built with Storybook',
  }}>
  {Template.bind({})}
</Story>
```