```html
<!-- Page.stories.svelte -->

<script>
  import { Meta, Template, Story } from '@storybook/addon-svelte-csf';
  
  import Page from './Page.svelte';
</script>

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

<Template let:args>
  <Page {...args}>
    <footer>{args.footer}</footer>
  </Page>
</Template>

<Story
  name="CustomFooter"
  args={{
    footer: 'Built with Storybook',
  }}
/>
```