> ## Documentation Index > Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-7021d5f4.mintlify.site/llms.txt > Use this file to discover all available pages before exploring further. # EasyInputMessage - Python SDK > EasyInputMessage method reference The Python SDK and docs are currently in beta. Report issues on [GitHub](https://github.com/OpenRouterTeam/python-sdk/issues). ## Fields | Field | Type | Required | Description | Example | | --------- | -------------------------------------------------------------------------------------------------------------- | -------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------- | | `content` | [OptionalNullable\[components.EasyInputMessageContentUnion2\]](../components/easyinputmessagecontentunion2.md) | :heavy\_minus\_sign: | N/A | | | `phase` | [OptionalNullable\[components.EasyInputMessagePhaseUnion\]](../components/easyinputmessagephaseunion.md) | :heavy\_minus\_sign: | The phase of an assistant message. Use `commentary` for an intermediate assistant message and `final_answer` for the final assistant message. For follow-up requests with models like `gpt-5.3-codex` and later, preserve and resend phase on all assistant messages. Omitting it can degrade performance. Not used for user messages. | final\_answer | | `role` | [components.EasyInputMessageRoleUnion](/client-sdks/python/api-reference/components/easyinputmessageroleunion) | :heavy\_check\_mark: | N/A | | | `type` | [Optional\[components.EasyInputMessageTypeMessage\]](../components/easyinputmessagetypemessage.md) | :heavy\_minus\_sign: | N/A | |