> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-5b6e02fd.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# AssistantMessage - Python SDK

> AssistantMessage method reference

<Warning>
  The Python SDK and docs are currently in beta.
  Report issues on [GitHub](https://github.com/OpenRouterTeam/python-sdk/issues).
</Warning>

## Fields

| Field               | Type                                                                                               | Required             | Description |
| ------------------- | -------------------------------------------------------------------------------------------------- | -------------------- | ----------- |
| `role`              | *Literal\["assistant"]*                                                                            | :heavy\_check\_mark: | N/A         |
| `content`           | [OptionalNullable\[components.AssistantMessageContent\]](../components/assistantmessagecontent.md) | :heavy\_minus\_sign: | N/A         |
| `name`              | *Optional\[str]*                                                                                   | :heavy\_minus\_sign: | N/A         |
| `tool_calls`        | List\[[components.ChatMessageToolCall](/client-sdks/python/components/chatmessagetoolcall)]        | :heavy\_minus\_sign: | N/A         |
| `refusal`           | *OptionalNullable\[str]*                                                                           | :heavy\_minus\_sign: | N/A         |
| `reasoning`         | *OptionalNullable\[str]*                                                                           | :heavy\_minus\_sign: | N/A         |
| `reasoning_details` | List\[[components.Schema2](/client-sdks/python/components/schema2)]                                | :heavy\_minus\_sign: | N/A         |