# Reference schema

Learn how to define references to other schemas.

Reference schemas allow you to reuse components that appear in multiple places.

![Reference form](/assets/reference/content/schema/reference.png)

The input for a reference schema is the same as the input for the referenced component.

## Examples

Below is an example of a reference schema:

```json
{
  "type": "reference",
  "id": "button"
}
```

## Properties

The following properties are available for reference schemas:

- `type`: `string`

  The type of the schema. Always `reference` for reference schemas.

- `id`: `string`

  The ID of the referenced component.