```js
// Checkbox.stories.js

import Checkbox from './Checkbox.vue';

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

/*
 *👇 Render functions are a framework specific feature to allow you control on how the component renders.
 * See https://storybook.js.org/docs/7.0/vue/api/csf
 * to learn how to use render functions.
 */
export const allCheckboxes = () => {
  render: () => ({
    components: { Checkbox },
    template: `
      <form>
        <Checkbox id="Unchecked" label="Unchecked"/>
        <Checkbox id="Checked" label="Checked" checked />
        <Checkbox appearance="secondary" id="second" label="Secondary" checked />
      </form>`,
  });
};
```