```js
// Button.stories.js|jsx|ts|tsx

import { Button } from './Button';

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: 'Button',
  component: Button,
};

export const Primary = {
  args: {
     primary: true,
     label: 'Button',
  },
  parameters: {
    backgrounds: {
      values: [
        { name: 'red', value: '#f00' },
        { name: 'green', value: '#0f0' },
      ],
    },
  },
};
```