---
title: "Line Items Grouping"
slug: "line-items-grouping"
updated: 2025-09-15T09:22:54Z
published: 2025-09-15T09:22:54Z
canonical: "knowledge-base.rossum.ai/line-items-grouping"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://knowledge-base.rossum.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Line Items Grouping

**Line items grouping** extension allows for grouping line items based on given SQL criteria. This is handy when the downstream system has some restrictions such as only one unique line item per invoice.

## Installation

Line items grouping service is provided by Rossum.ai in the form of webhook. To start using the extension, follow these steps:

1. Login to your Rossum account.
2. Navigate to **Extensions** → **My extensions**.
3. Click on **Create extension**.
4. Fill the following fields:
  1. Name: `Line items grouping`
  2. Trigger events: `Document content: Initialize, Started, Updated`
  3. Queues where the extension should be executed
  4. Extension type: `Webhook`
  5. URL (see [Available endpoints](/help/docs/line-items-grouping#available-endpoints) below)
5. Click **Create the webhook**.
6. Fill `Configuration` field (visit [Configuration examples](/help/docs/configuration-examples-4) page).

### Available endpoints

| Environment | Webhook URL |
| --- | --- |
| EU1 Ireland | [https://elis.line-items-grouping.rossum-ext.app/](https://elis.line-items-grouping.rossum-ext.app/) |
| EU2 Frankfurt | [https://shared-eu2.line-items-grouping.rossum-ext.app/](https://shared-eu2.line-items-grouping.rossum-ext.app/) |
| US east coast | [https://us.line-items-grouping.rossum-ext.app/](https://us.line-items-grouping.rossum-ext.app/) |
| Japan Tokyo | [https://shared-jp.line-items-grouping.rossum-ext.app/](https://shared-jp.line-items-grouping.rossum-ext.app/) |

## Basic usage

> [!WARNING]
> 🚧 WORK IN PROGRESS 🚧
> 
> We're still working on this part and would love to hear your thoughts! Feel free to [share your feedback](https://github.com/rossumai/university/discussions) or [submit a pull request](https://github.com/rossumai/university/pulls). Thank you! 🙏

## Available configuration options

> [!WARNING]
> 🚧 WORK IN PROGRESS 🚧
> 
> We're still working on this part and would love to hear your thoughts! Feel free to [share your feedback](https://github.com/rossumai/university/discussions) or [submit a pull request](https://github.com/rossumai/university/pulls). Thank you! 🙏

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