storybook/docs/snippets/common/button-story-controls-radio-group.mdx.mdx

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

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

import { Button } from './Button';

<Meta
  title="Button"
  component={Button}
  argTypes={{
    variant: {
      options: ['primary', 'secondary'],
      control: { type: 'radio' }
    }
  }}
/>
```