> For the complete documentation index, see [llms.txt](https://algolytics-technologies.gitbook.io/algolytics/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://algolytics-technologies.gitbook.io/algolytics/event-engine-user.md).

# Event Engine \[user]

- [Engine description](https://algolytics-technologies.gitbook.io/algolytics/event-engine-user/engine-description.md)
- [How the engine works](https://algolytics-technologies.gitbook.io/algolytics/event-engine-user/how-the-engine-works.md)
- [Events](https://algolytics-technologies.gitbook.io/algolytics/event-engine-user/events.md)
- [Aggregate module](https://algolytics-technologies.gitbook.io/algolytics/event-engine-user/aggregate-module.md)
- [Metadata](https://algolytics-technologies.gitbook.io/algolytics/event-engine-user/metadata.md)
- [Components of metadata](https://algolytics-technologies.gitbook.io/algolytics/event-engine-user/components-of-metadata.md)
- [Off-line processing and modeling](https://algolytics-technologies.gitbook.io/algolytics/event-engine-user/off-line-processing-and-modeling.md)
- [Examples of API operations](https://algolytics-technologies.gitbook.io/algolytics/event-engine-user/examples-of-api-operations.md)
- [Visualisation](https://algolytics-technologies.gitbook.io/algolytics/event-engine-user/visualisation.md)