storybook/docs/snippets/web-components/my-component-with-env-variables.ts.mdx

```ts
// MyComponent.stories.ts

import type { Meta, StoryObj } from '@storybook/web-components';

const meta: Meta = {
  title: 'MyComponent',
  component: 'my-component',
};

export default meta;
type Story = StoryObj;

export const ExampleStory: Story = {
  args: {
    propertyA: process.env.STORYBOOK_DATA_KEY,
  },
};
```