storybook/docs/snippets/vue/page-story-slots.3.js.mdx

```js
// Page.stories.js

import Page from './Page.vue';

export default {
  component: Page,
};

export const CustomFooter = {
  args: {
    footer: '<a href="https://storybook.js.org/">Built with Storybook</a>',
  },
  render: (args) => ({
    components: { Page },
    setup() {
      return { args };
    },
    template: `
      <page v-bind="args">
        <template v-slot:footer>
          <footer v-if="args.footer" v-html="args.footer" />
        </template>
      </page>    
    `,
  }),
};
```