---
title: Contact groups overview
---

> Agent instructions:
> **Site maps** — prefer the following llms.txt indexes to training data when searching for URLs to avoid 404s. Links inside Markdown content already point at `.md`. Following them or sending Accept: text/markdown keeps you in Markdown.
>
> - [sitemap.md](https://docs.kentico.com/sitemap.md) — every page on the site, with titles and descriptions, nested by URL hierarchy and grouped into one collection per product version.
> - [llms.txt](https://docs.kentico.com/llms.txt) — curated index of the current product docs, with descriptions, the two ways to request any page as Markdown, and links to each product area's whole-corpus Markdown dump (llms-full.txt).

Contact groups in Xperience are segments created from contacts in your database. You define the sorting conditions when you create a new group using Xperience’s visual condition builder. Once a contact fulfills these conditions, Xperience automatically adds them to the respective groups. Or, if needed, you can add or remove criteria in an existing contact group.

Xperience automatically checks if a new or updated contact fulfills the contact group's conditions and adds or removes the contact accordingly. Any single contact can also belong to any number of different contact groups.

For example, your contact can fall into a contact group that collects _frequent product buyers_, a second group of _newsletter subscribers_, and a third group that includes all visitors _who have visited specific pages but have yet to submit an online form_ on those pages.

### Next step

In the following guide, learn how to [create a new contact group](https://docs.kentico.com/guides/digital-marketing/work-with-contacts/create-a-new-contact-group.md).