---
title: "Profile – API-Referenz · Quittio"
description: "An e-invoice profile (CIUS or extension): which fields are allowed or mandatory, which identifier goes into BT-24 and which additional rules apply."
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> 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) \\ [Profiles](https://quittio.dev/docs/api/Quittio/Core/Profiles)

# Profile

interface in quittio/core

`Quittio\Core\Profiles\Profile` · [Source](https://github.com/Quittio/quittio/blob/v0.7.1/packages/core/src/Profiles/Profile.php#L14)

An e-invoice profile (CIUS or extension): which fields are allowed or mandatory, which identifier goes into BT-24 and which additional rules apply.

## Methods \#

| Method | Description |
| --- | --- |
| `->afRelationship()` | AFRelationship of the embedded XML (Alternative or Data), null if the profile is XML only. |
| `->defaultBusinessProcess()` | Business process identifier (BT-23) set by default, if any. |
| `->embeddedFilename()` | File name of the embedded XML in a hybrid PDF, null if the profile is XML only. |
| `->isEn16931Compliant()` | Whether the profile produces an invoice compliant with EN 16931 (MINIMUM and BASIC WL do not). |
| `->key()` | Stable key, e.g. "en16931", "extended", "xrechnung", "peppol". |
| `->level()` | Factur-X/ZUGFeRD level used for the field matrix. |
| `->name()` | Display name, e.g. "EN 16931" or "XRechnung 3.0". |
| `->requiredBusinessTerms()` | Additional business terms that are mandatory in this profile (on top of EN 16931). |
| `->rules()` | Additional validation rules of the profile. |
| `->specificationId()` | Specification identifier written to BT-24. |
| `->supportsStandard()` | |
| `->syntaxes()` | |
| `->xmpConformanceLevel()` | ConformanceLevel in the Factur-X XMP metadata, null if the profile is XML only. |

### `afRelationship()`#

```
public function afRelationship(): ?string
```

AFRelationship of the embedded XML (Alternative or Data), null if the profile is XML only.

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

### `defaultBusinessProcess()`#

```
public function defaultBusinessProcess(): ?string
```

Business process identifier (BT-23) set by default, if any.

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

### `embeddedFilename()`#

```
public function embeddedFilename(): ?string
```

File name of the embedded XML in a hybrid PDF, null if the profile is XML only.

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

### `isEn16931Compliant()`#

```
public function isEn16931Compliant(): bool
```

Whether the profile produces an invoice compliant with EN 16931 (MINIMUM and BASIC WL do not).

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

### `key()`#

```
public function key(): string
```

Stable key, e.g. "en16931", "extended", "xrechnung", "peppol".

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

### `level()`#

```
public function level(): ProfileLevel
```

Factur-X/ZUGFeRD level used for the field matrix.

<dl><dt>Returns</dt>
<dd><code><a href="https://quittio.dev/docs/api/Quittio/Core/Profiles/ProfileLevel">ProfileLevel</a></code></dd>
</dl>

### `name()`#

```
public function name(): string
```

Display name, e.g. "EN 16931" or "XRechnung 3.0".

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

### `requiredBusinessTerms()`#

```
public function requiredBusinessTerms(): list<string>
```

Additional business terms that are mandatory in this profile (on top of EN 16931).

<dl><dt>Returns</dt>
<dd><code>list&lt;string&gt;</code></dd>
</dl>

### `rules()`#

```
public function rules(): list<Rule>
```

Additional validation rules of the profile.

<dl><dt>Returns</dt>
<dd><code>list&lt;<a href="https://quittio.dev/docs/api/Quittio/Core/Validation/Rule">Rule</a>&gt;</code></dd>
</dl>

### `specificationId()`#

```
public function specificationId(
    StandardVersion $version = \Quittio\Core\Standards\StandardVersion::En16931_2017,
): string
```

Specification identifier written to BT-24.

| Parameter | Type | Description |
| --- | --- | --- |
| `$version` | `[StandardVersion](https://quittio.dev/docs/api/Quittio/Core/Standards/StandardVersion)` = `\Quittio\Core\Standards\StandardVersion::En16931_2017` | |

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

### `supportsStandard()`#

```
public function supportsStandard(StandardVersion $version): bool
```

| Parameter | Type | Description |
| --- | --- | --- |
| `$version` | `[StandardVersion](https://quittio.dev/docs/api/Quittio/Core/Standards/StandardVersion)` | |

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

### `syntaxes()`#

```
public function syntaxes(): list<Syntax>
```

<dl><dt>Returns</dt>
<dd><code>list&lt;<a href="https://quittio.dev/docs/api/Quittio/Core/Profiles/Syntax">Syntax</a>&gt;</code></dd>
</dl>

### `xmpConformanceLevel()`#

```
public function xmpConformanceLevel(): ?string
```

ConformanceLevel in the Factur-X XMP metadata, null if the profile is XML only.

<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/Profiles/Profile#webpage","@type":"WebPage","description":"An e-invoice profile (CIUS or extension): which fields are allowed or mandatory, which identifier goes into BT-24 and which additional rules apply.","name":"Profile – API-Referenz","url":"https://quittio.dev/docs/api/Quittio/Core/Profiles/Profile","isPartOf":{"@id":"https://quittio.dev/#website"},"potentialAction":[{"@type":"ReadAction","target":["https://quittio.dev/docs/api/Quittio/Core/Profiles/Profile"]}],"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"}]}
```