---
bodyclass: docs
headline: Event Sourcing Concepts
layout: docs
sidenav: doc-side-guides-nav.html
title: Event Sourcing Concepts
type: markdown
---

<p class="lead">Coming soon...</p>
<hr>

<p class="lead">This document introduces some key Event Sourcing concepts
with an overview how they are used in a Spine-based application.</p>

This document assumes that you've read [What is Spine?]({{site.baseurl}}/docs/guides).

<div id="toc" class="toc mobile-toc"></div>

## Overview

TBD

## Basic Messages

### Event

TBD

### Command

TBD

### Rejection

TBD

## Handling messages

TBD

### Aggregate

TBD

### Process Manager

TBD

### Projection

TBD

Add template for ES concepts page
Add template for ES concepts page
