```ts
// Button.stories.ts

import { Meta } from '@storybook/angular/types-6-0';

import Button from './button.component';

export default {
  title: 'Button',
  //👇 Creates specific parameters for the story
  parameters: {
    backgrounds: {
      values: [
        { name: 'red', value: '#f00' },
        { name: 'green', value: '#0f0' },
        { name: 'blue', value: '#00f' },
      ],
    },
  },
} as Meta;
```