storybook/docs/snippets/common/my-component-env-var-config.mdx.mdx

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

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

import { MyComponent } from './MyComponent';

<Meta title="MyComponent" component={MyComponent}/>

<Canvas>
  <Story
    name="ExampleStory"
    args={{
      exampleProp: process.env.EXAMPLE_VAR,
    }} render={() => ({ // Your implementation here })} />
</Canvas>
```