> ## Documentation Index
> Fetch the complete documentation index at: https://formbricks.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Contact management & segments

> Create and manage contacts and attribute-based segments with Formbricks.

Contacts are helpful if you want to assign response to specific contacts or users of your mobile application. Also, if you'd like to do [attribute-based targeting](/xm-and-surveys/surveys/website-app-surveys/advanced-targeting) of specific cohorts or segments of your user base you need this feature.