# Env Var List

Renders a clear configuration list detailing system environment variable keys, descriptions, and default values.

## Surfaces

web, google-apps-script-web, mcp-apps

## Fields

| Field | Type |
|---|---|
| variables | array. List of objects including key name, description, requirement status, and default. |

## Example payload

```json
{
  "type": "env_var_list"
}
```

Live page: https://a2uicatalog.ai/atoms/env_var_list/
Full field contract: https://a2uicatalog.ai/spec.json