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

# atoti_ai.Chat

<span id="atoti_ai.Chat" />

Manage the [AI chat](https://docs.activeviam.com/atoti-intelligence/6.2/user-guide/chat).

<Tip>
  The more the AI model knows about the data model, the better its answers.
  Describe the data model by filling in [`atoti.Dimension.description`](./atoti.Dimension.description#atoti.Dimension.description), [`atoti.Hierarchy.description`](./atoti.Hierarchy.description#atoti.Hierarchy.description), and [`atoti.Measure.description`](./atoti.Measure.description#atoti.Measure.description).
</Tip>

<Callout icon="link">
  **See also**:
  [`atoti.Session.chat`](./atoti.Session.chat#atoti.Session.chat).
</Callout>

|                                                                              |                                         |
| ---------------------------------------------------------------------------- | --------------------------------------- |
| [`system_prompt`](./atoti_ai.Chat.system_prompt#atoti_ai.Chat.system_prompt) | The system prompt sent to the AI model. |