> ## 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 Rewriter Agent Builder • Rust AI Agent SDK
> QueryRewriterAgentBuilder: Builder for QueryRewriterAgent
# QueryRewriterAgentBuilder
> Defined in the [**Specialized Agents**](../modules/specialized_agents) module.
Rust AI Agent SDK
Builder for QueryRewriterAgent
```mermaid theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
%%{init: {'theme': 'base', 'themeVariables': { 'primaryColor': '#8B0000', 'primaryTextColor': '#fff', 'primaryBorderColor': '#710101', 'lineColor': '#189AB4', 'secondaryColor': '#189AB4', 'tertiaryColor': '#fff' }}}%%
graph LR
input["Input Data"] --> agent["Agent: QueryRewriterAgentBuilder"]
agent --> output["Output Result"]
style agent fill:#8B0000,color:#fff
style input fill:#8B0000,color:#fff
style output fill:#8B0000,color:#fff
```
## Fields
| Name | Type | Description |
| -------- | --------------------- | ----------- |
| `config` | `QueryRewriterConfig` | - |
## Methods
### `new`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn new() -> Self
```
Create a new builder
### `name`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn name(mut self, name: impl Into) -> Self
```
Set agent name
**Parameters:**
| Name | Type |
| ------ | ------------------------- |
| `name` | `impl Into<String>` |
### `model`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn model(mut self, model: impl Into) -> Self
```
Set LLM model
**Parameters:**
| Name | Type |
| ------- | ------------------------- |
| `model` | `impl Into<String>` |
### `instructions`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn instructions(mut self, instructions: impl Into) -> Self
```
Set custom instructions
**Parameters:**
| Name | Type |
| -------------- | ------------------------- |
| `instructions` | `impl Into<String>` |
### `verbose`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn verbose(mut self) -> Self
```
Enable verbose output
### `max_queries`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn max_queries(mut self, max: usize) -> Self
```
Set max queries
**Parameters:**
| Name | Type |
| ----- | ------- |
| `max` | `usize` |
### `abbreviation`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn abbreviation(mut self, abbrev: impl Into, expansion: impl Into) -> Self
```
Add abbreviation expansion
**Parameters:**
| Name | Type |
| ----------- | ------------------------- |
| `abbrev` | `impl Into<String>` |
| `expansion` | `impl Into<String>` |
### `abbreviations`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn abbreviations(mut self, abbrevs: HashMap) -> Self
```
Set abbreviations map
**Parameters:**
| Name | Type |
| --------- | ------------------- |
| `abbrevs` | `HashMap<String` |
### `temperature`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn temperature(mut self, temp: f32) -> Self
```
Set temperature
**Parameters:**
| Name | Type |
| ------ | ----- |
| `temp` | `f32` |
### `max_tokens`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn max_tokens(mut self, tokens: usize) -> Self
```
Set max tokens
**Parameters:**
| Name | Type |
| -------- | ------- |
| `tokens` | `usize` |
### `build`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn build(self) -> QueryRewriterAgent
```
Build the agent
## Source
`praisonai/src/specialized_agents.rs` at line 648
***
## Related Documentation