---
title: "OpenItem – API-Referenz · Quittio"
description: "An invoice in a payment reminder or account statement."
canonical_url: "https://quittio.dev/docs/api/Quittio/Core/Documents/OpenItem"
locale: de
meta:
  "og:description": "An invoice in a payment reminder or account statement."
  "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": "OpenItem – 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) \\ [Documents](https://quittio.dev/docs/api/Quittio/Core/Documents)

# OpenItem

final readonly class in quittio/core

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

An invoice in a payment reminder or account statement.

## Properties \#

| Property | Type | Description |
| --- | --- | --- |
| `$amount` readonly | `Brick\Money\Money` | |
| `$description` readonly | `?string` | |
| `$dueDate` readonly | `? [Date](https://quittio.dev/docs/api/Quittio/Core/Support/Date)` | |
| `$invoiceDate` readonly | `[Date](https://quittio.dev/docs/api/Quittio/Core/Support/Date)` | |
| `$invoiceNumber` readonly | `string` | |
| `$paid` readonly | `?Brick\Money\Money` | |

## Methods \#

| Method | Description |
| --- | --- |
| `->__construct()` | |
| `->isSettled()` | |
| `->open()` | Amount still open (amount minus paid); negative for overpaid items and credits. |

### `__construct()`#

```
public function __construct(
    string $invoiceNumber,
    Date $invoiceDate,
    Money $amount,
    ?Date $dueDate = null,
    ?Money $paid = null,
    ?string $description = null,
)
```

| Parameter | Type | Description |
| --- | --- | --- |
| `$invoiceNumber` | `string` | |
| `$invoiceDate` | `[Date](https://quittio.dev/docs/api/Quittio/Core/Support/Date)` | |
| `$amount` | `Brick\Money\Money` | |
| `$dueDate` | `? [Date](https://quittio.dev/docs/api/Quittio/Core/Support/Date)` = `null` | |
| `$paid` | `?Brick\Money\Money` = `null` | |
| `$description` | `?string` = `null` | |

### `isSettled()`#

```
public function isSettled(): bool
```

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

### `open()`#

```
public function open(): Money
```

Amount still open (amount minus paid); negative for overpaid items and credits.

<dl><dt>Returns</dt>
<dd><code>Brick\Money\Money</code></dd>
</dl>

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```