> For the complete documentation index, see [llms.txt](https://docs.radicalframework.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.radicalframework.com/memento/change-tracking-service/handling-change-tracking.md).

# Handling change tracking:

- [Simple model](https://docs.radicalframework.com/memento/change-tracking-service/handling-change-tracking/simple-model.md)
- [Collections](https://docs.radicalframework.com/memento/change-tracking-service/handling-change-tracking/collections.md)
- [Complex objects graph](https://docs.radicalframework.com/memento/change-tracking-service/handling-change-tracking/complex-graph.md)