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

# Definitions Schema

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

This is an example of using a `definitions` object within a schema.

It is imported using `allOf` and `$ref`.

And the description has line breaks.

So.

Many.

Line.

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> Everything is better with a quote.

| [Abstract](../abstract.md) | Extensible | [Status](../status.md) | Identifiable | Custom Properties | Additional Properties | Defined In                                         |
| -------------------------- | ---------- | ---------------------- | ------------ | ----------------- | --------------------- | -------------------------------------------------- |
| Can be instantiated        | Yes        | Experimental           | Yes          | Forbidden         | Permitted             | [definitions.schema.json](definitions.schema.json) |

# Definitions Properties

| Property           | Type     | Required     | Nullable | Defined by                                 |
| ------------------ | -------- | ------------ | -------- | ------------------------------------------ |
| [@id](#id)         | `string` | **Required** | No       | Definitions (this schema)                  |
| [id](#id-1)        | `string` | **Required** | No       | Definitions (this schema)                  |
| [meta:id](#metaid) | `string` | Optional     | No       | Definitions (this schema)                  |
| `*`                | any      | Additional   | Yes      | this schema _allows_ additional properties |

## @id

An `id` with an `@` in front of it. The `@` stands for "dot com"

`@id`

- is **required**
- type: `string`
- defined in this schema

### @id Type

`string`

- format: `uri` – Uniformous Resource Identifier (according to [RFC3986](http://tools.ietf.org/html/rfc3986))

## id

A unique identifier given to every addressable thing.

`id`

- is **required**
- type: `string`
- defined in this schema

### id Type

`string`

- format: `uri-reference` – URI Reference (according to [RFC3986](https://tools.ietf.org/html/rfc3986))

## meta:id

An about ids. It is meta. If you are confused, send an email to the address specified in this property value.

`meta:id`

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

### meta:id Type

`string`

- format: `email` – email address (according to [RFC 5322, section 3.4.1](https://tools.ietf.org/html/rfc5322))

**All** of the following _requirements_ need to be fulfilled.

#### Requirement 1

- []() – `#/definitions/myid`