---
title: Video from Camunda Community Summit 2021 - The making of token simulation - Understanding bpmn-js extensibility one token at a time
description: In this Camunda Community Session talk, Nico presents bpmn-js-token-simulation, one of the more powerful bpmn-js editor extensions.
image: https://page.camunda.com/hubfs/CCSummit_OnDemand.png
---

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## The making of token simulation - Understanding bpmn-js extensibility one token at a time

| *From the Mouths of Camundos* In this talk, Nico presents [bpmn-js-token-simulation](https://github.com/bpmn-io/bpmn-js-token-simulation), one of the more powerful [bpmn-js editor](https://github.com/bpmn-io/bpmn-js) extensions. We’ll dive into how it is built to do what it does and understand the extension mechanisms that make bpmn-js such a powerful foundation for your next custom #BPMN editor. |   | ##### **Resources** - Learn more about [Camunda's Developer Community](https://camunda.com/developers/) - Subscribe to our monthly [Developer Community Newsletter](https://camunda.com/developers/developer-community-updates/) to receive great technical content as well as information about upcoming events and more. |
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**Speaker**

![NicoRehwaldt](https://page.camunda.com/hubfs/NicoRehwaldt.png)

**Nico Rehwaldt, Lead Developer, bpmn.io**  
Nico is a software engineer at Camunda. He is the @bpmn\_io project lead and has more than 10 years experience in building software that serves the user.

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