> For the complete documentation index, see [llms.txt](https://docs.messageflow.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.messageflow.com/contacts/contact-segmentation/dynamic-segments-messageflow-segments.md).

# Dynamic Segments (MessageFlow Segments)

**MessageFlow Segments** is an advanced tool for automatically grouping contacts based on their attributes, behaviors, and interactions. 

A full description of the service, its benefits, and how it works can be found in the [MessageFlow Segments](/advanced-features/messageflow-segments.md)