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

# Query

> Query agents for information

Query functionality for agent knowledge bases.

```mermaid theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
graph LR
    subgraph "Query System"
        Q[❓ Query] --> K[📚 Knowledge]
        K --> R[📄 Results]
    end
    
    classDef query fill:#6366F1,stroke:#7C90A0,color:#fff
    classDef result fill:#10B981,stroke:#7C90A0,color:#fff
    
    class Q query
    class K,R result
```

## Quick Start

<Steps>
  <Step title="Query Knowledge">
    ```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
    use praisonai::{Agent, Knowledge};

    let knowledge = Knowledge::new()
        .add_file("docs/")
        .build()?;

    let agent = Agent::new()
        .name("Assistant")
        .knowledge(knowledge)
        .build()?;

    // Query returns relevant information
    agent.chat("What is the refund policy?").await?;
    ```
  </Step>
</Steps>

***

## Related

<CardGroup cols={2}>
  <Card title="Knowledge" icon="book" href="/docs/rust/knowledge">
    Knowledge base
  </Card>

  <Card title="Retrieval" icon="download" href="/docs/rust/retrieval">
    Retrieval strategies
  </Card>
</CardGroup>