> ## 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.
# RAG Builder • Rust AI Agent SDK
> RAGBuilder: Builder for RAG
# RAGBuilder
> Defined in the [**RAG**](../modules/rag) module.
Rust AI Agent SDK
Builder for RAG
## Fields
| Name | Type | Description |
| --------- | ---------------------- | ----------- |
| `config` | `RAGConfig` | - |
| `model` | `Option<String>` | - |
| `sources` | `Vec<String>` | - |
## Methods
### `config`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn config(mut self, config: RAGConfig) -> Self
```
Set the configuration
**Parameters:**
| Name | Type |
| -------- | ----------- |
| `config` | `RAGConfig` |
### `model`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn model(mut self, model: impl Into) -> Self
```
Set the model
**Parameters:**
| Name | Type |
| ------- | ------------------------- |
| `model` | `impl Into<String>` |
### `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>` |
### `build`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn build(self) -> Result
```
Build the RAG pipeline
## Source
`praisonai/src/rag/mod.rs` at line 558
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## Related Documentation