> For the complete documentation index, see [llms.txt](https://developer.emporix.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.emporix.io/value-stream-modeller/settings-and-configuration/events.md).

# Events

External events can trigger a value stream to run or wake up sleeping process instances. These events (such as stock level notifications, quote requests, and many others) are transmitted as authenticated webhooks to a pre-configured Value Stream Modeller event-receiver endpoint. When receiving these notifications, the system interprets them and initiates (or wakes) the relevant value stream accordingly.

VSM is schema-less, it utilizes the Cloud Event specification for both receiving and sending events. This framework enables VSM to seamlessly gather event information from designated endpoints responsible for transmitting such data. By adhering to this specification, VSM ensures efficient and standardized communication, facilitating seamless integration with various systems and endpoints.

For details about events in VSM, check the following documentation:

* [Events Registry](/value-stream-modeller/settings-and-configuration/events/event-registry.md)
* [Events Log](/value-stream-modeller/settings-and-configuration/events/event-log.md)
* [Cloud Events in VSM](/value-stream-modeller/settings-and-configuration/events/cloud-events-in-vsm.md)
* [Events Authentication and Configuration](/value-stream-modeller/settings-and-configuration/events/events-authentication-and-configuration.md)
* [Working with Event Data](/value-stream-modeller/settings-and-configuration/events/working-with-event-data.md)


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