> For the complete documentation index, see [llms.txt](https://docs.sonsofphp.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sonsofphp.com/components/event-sourcing.md).

# Event Sourcing

Using the Event Sourcing Component allows you to manage an Event Sourced application.

## Installation

```shell
composer require sonsofphp/event-sourcing
```

### Additional Features

Additional features and functionality can be enabled by installing additional packages.

#### Doctrine

Installing the Doctrine Bridge will allow the storage of event messages in a database.

```shell
composer require sonsofphp/event-sourcing-doctrine
```

#### Symfony

Installing the Symfony Bridge will add addition functionality such as allowing events to be sent asynchronously using the Messenger Component. It allows has options to generate UUID/ULID for Aggregates.

```shell
composer require sonsofphp/event-sourcing-symfony
```