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

# Create Calculated Attributes

> This step allows you to derive user-level insights by aggregating your users' isolated actions. You can then use this data to create more powerful customer cohorts.

As a marketer, you can use calculated attributes to create new attributes for a user by aggregating their event data over a specific time period. For example, `90_day_revenue` of a user, `1_week_page_views` to check the engagement of a user, `units_purchased` by a user for a specific category like T-shirts. These calculated attributes are used as segmenting criteria and can then be forwarded to different integrations. For example, in a workflow, you can define High Spenders as users with `90_day_revenue` > €500 or Low Engagement Users by putting `1_week_page_views` \< 5 criteria. For more information about Calculated Attributes, refer [here](/articles/unify-customer/calculated-attributes).

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