> ## 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.
# Retrieval Config • Rust AI Agent SDK
> RetrievalConfig: Unified retrieval configuration (Agent-first).
# RetrievalConfig
> Defined in the [**RAG**](../modules/rag) module.
Rust AI Agent SDK
Unified retrieval configuration (Agent-first).
## Fields
| Name | Type | Description |
| --------------- | ------------------- | ---------------------------- |
| `enabled` | `bool` | Enable RAG |
| `rag` | `RAGConfig` | RAG configuration |
| `sources` | `Vec<String>` | Knowledge sources |
| `auto_retrieve` | `bool` | Auto-retrieve on every query |
## Methods
### `new`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn new() -> Self
```
Create a new RetrievalConfig
### `enable`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn enable(mut self) -> Self
```
Enable retrieval
### `source`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn source(mut self, source: impl Into) -> Self
```
Add a source
**Parameters:**
| Name | Type |
| -------- | ------------------------- |
| `source` | `impl Into<String>` |
### `rag`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn rag(mut self, config: RAGConfig) -> Self
```
Set RAG config
**Parameters:**
| Name | Type |
| -------- | ----------- |
| `config` | `RAGConfig` |
## Source
`praisonai/src/rag/mod.rs` at line 294
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