---
title: "JsonSchemaGenerator – API-Referenz · Quittio"
description: "Generates the JSON Schema (draft 2020-12) of InvoiceData::toArray() from the constructor signatures and mapping attributes, so that the schema never drifts from the model."
canonical_url: "https://quittio.dev/docs/api/Quittio/Core/Serialization/JsonSchemaGenerator"
locale: de
meta:
  "og:description": "Generates the JSON Schema (draft 2020-12) of InvoiceData::toArray() from the constructor signatures and mapping attributes, so that the schema never drifts from the model."
  "og:image": "https://quittio.dev/og/quittio-de.jpg"
  "og:image:alt": "Quittio: E-Rechnungen für PHP und Laravel. Rechtssicher, validiert, archiviert, mit geprüfter Beispielrechnung."
  "og:image:height": "630"
  "og:image:type": image/jpeg
  "og:image:width": "1200"
  "og:title": "JsonSchemaGenerator – API-Referenz · Quittio"
  "twitter:image": "https://quittio.dev/og/quittio-de.jpg"
  "twitter:image:alt": "Quittio: E-Rechnungen für PHP und Laravel. Rechtssicher, validiert, archiviert, mit geprüfter Beispielrechnung."
---

> Index of every page on this site: [llms.txt](https://quittio.dev/llms.txt)

[API reference](https://quittio.dev/docs/api) / [Quittio](https://quittio.dev/docs/api/Quittio) \\ [Core](https://quittio.dev/docs/api/Quittio/Core) \\ [Serialization](https://quittio.dev/docs/api/Quittio/Core/Serialization)

# JsonSchemaGenerator

final class in quittio/core

`Quittio\Core\Serialization\JsonSchemaGenerator` · [Source](https://github.com/Quittio/quittio/blob/v0.7.1/packages/core/src/Serialization/JsonSchemaGenerator.php#L26)

Generates the JSON Schema (draft 2020-12) of InvoiceData::toArray() from the constructor signatures and mapping attributes, so that the schema never drifts from the model.

## Constants \#

| Constant | Value | Description |
| --- | --- | --- |
| `SCHEMA_ID` | `'https://quittio.dev/schema/invoice.schema.json'` | |

## Methods \#

| Method | Description |
| --- | --- |
| `::defaultPath()` | |
| `->generate()` | |
| `->toJson()` | |

### `defaultPath()`#

```
public static function defaultPath(): string
```

static

<dl><dt>Returns</dt>
<dd><code>string</code></dd>
</dl>

### `generate()`#

```
public function generate(): array<string, mixed>
```

<dl><dt>Returns</dt>
<dd><code>array&lt;string, mixed&gt;</code></dd>
</dl>

### `toJson()`#

```
public function toJson(): string
```

<dl><dt>Returns</dt>
<dd><code>string</code></dd>
</dl>

```json
{"@context":"https://schema.org","@graph":[{"@id":"https://quittio.dev/#website","@type":"WebSite","description":"E-Rechnungen für PHP und Laravel: ZUGFeRD, XRechnung und Peppol erstellen, prüfen, lesen und archivieren.","inLanguage":"de-DE","name":"Quittio","url":"https://quittio.dev/","publisher":{"@id":"https://quittio.dev/#identity"},"workTranslation":{"@id":"https://quittio.dev/en#website"}},{"@id":"https://quittio.dev/docs/api/Quittio/Core/Serialization/JsonSchemaGenerator#webpage","@type":"WebPage","description":"Generates the JSON Schema (draft 2020-12) of InvoiceData::toArray() from the constructor signatures and mapping attributes, so that the schema never drifts from the model.","name":"JsonSchemaGenerator – API-Referenz","url":"https://quittio.dev/docs/api/Quittio/Core/Serialization/JsonSchemaGenerator","isPartOf":{"@id":"https://quittio.dev/#website"},"potentialAction":[{"@type":"ReadAction","target":["https://quittio.dev/docs/api/Quittio/Core/Serialization/JsonSchemaGenerator"]}],"primaryImageOfPage":{"@id":"https://quittio.dev/#logo"}},{"@id":"https://quittio.dev/#identity","@type":"Organization","description":"Open-Source-Bibliothek für E-Rechnungen in PHP und Laravel (ZUGFeRD, XRechnung, Peppol) und Quittio Managed.","email":"kontakt@niklasforst.de","legalName":"Niklas Forst – Softwareentwicklung","name":"Quittio","url":"https://quittio.dev","founder":{"@type":"Person","name":"Niklas Forst","url":"https://quittio.dev/ueber"},"logo":{"@id":"https://quittio.dev/#logo"},"sameAs":["https://github.com/Quittio/quittio","https://packagist.org/packages/quittio/quittio"]},{"@id":"https://quittio.dev/#logo","@type":"ImageObject","caption":"Quittio","contentUrl":"https://quittio.dev/logo.png","inLanguage":"de-DE","url":"https://quittio.dev/logo.png"}]}
```