---
template: reference
foo: bar
---

# Extensible Schema

```
https://example.com/schemas/extensible
```

This is an extensible schema. It has `definitions`, that can be used in other schemas

| [Abstract](../abstract.md) | Extensible | [Status](../status.md) | Identifiable | Custom Properties | Additional Properties | Defined In                                       |
| -------------------------- | ---------- | ---------------------- | ------------ | ----------------- | --------------------- | ------------------------------------------------ |
| Cannot be instantiated     | Yes        | Experimental           | No           | Forbidden         | Permitted             | [extensible.schema.json](extensible.schema.json) |

# Extensible Definitions

| Property    | Type     | Group                                                        |
| ----------- | -------- | ------------------------------------------------------------ |
| [bar](#bar) | `string` | `https://example.com/schemas/extensible#/definitions/second` |
| [foo](#foo) | `string` | `https://example.com/schemas/extensible#/definitions/first`  |

## bar

A horse walks into it.

`bar`

- is optional
- type: `string`
- defined in this schema

### bar Type

`string`

### bar Examples

```json
"whoo"
```

```json
"hoo"
```

## foo

A unique identifier given to every addressable thing.

`foo`

- is optional
- type: `string`
- defined in this schema

### foo Type

`string`

### foo Example

```json
"bar"
```