> ## 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.

# LLM Message • Rust AI Agent SDK

> LlmMessage: An LLM message.

# LlmMessage

> Defined in the [**protocols**](https://praison.ai/docs/sdk/reference/rust/modules/protocols.md) module.

Rust AI Agent SDK

An LLM message.

## Fields

| Name | Type | Description |
| - | - | - |
| `role` | `String` | Message role |
| `content` | `String` | Message content |

## Methods

### `system`

```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn system(content: impl Into<String>) -> Self
```

Create a system message

**Parameters:**

| Name | Type |
| - | - |
| `content` | `impl Into&lt;String&gt;` |

### `user`

```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn user(content: impl Into<String>) -> Self
```

Create a user message

**Parameters:**

| Name | Type |
| - | - |
| `content` | `impl Into&lt;String&gt;` |

### `assistant`

```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn assistant(content: impl Into<String>) -> Self
```

Create an assistant message

**Parameters:**

| Name | Type |
| - | - |
| `content` | `impl Into&lt;String&gt;` |

## Source

> [card] [View on GitHub](https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-rust/praisonai/src/protocols/mod.rs#L164)
>
> `praisonai/src/protocols/mod.rs` at line 164

***

## Related Documentation

> [card] [Rust LLM](https://praison.ai/docs/docs/rust/llm)

> [card] [Rust Providers](https://praison.ai/docs/docs/rust/providers)

> [card] [Rust Failover](https://praison.ai/docs/docs/rust/failover)


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