# Spacer

Vertical whitespace gap between atoms

## Surfaces

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

## Fields

| Field | Type |
|---|---|
| height | string or number (optional, CSS height e.g. 24 or "2rem") |

## Example payload

```json
{
  "type": "spacer"
}
```

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