> ## 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.

# ChatSystemMessage - Go SDK

> ChatSystemMessage type definition

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

System message for setting behavior

## Fields

| Field     | Type                                                                                                 | Required             | Description                          | Example                      |
| --------- | ---------------------------------------------------------------------------------------------------- | -------------------- | ------------------------------------ | ---------------------------- |
| `Content` | [components.ChatSystemMessageContent](/client-sdks/go/api-reference/models/chatsystemmessagecontent) | :heavy\_check\_mark: | System message content               | You are a helpful assistant. |
| `Name`    | `*string`                                                                                            | :heavy\_minus\_sign: | Optional name for the system message | Assistant Config             |
| `Role`    | [components.ChatSystemMessageRole](/client-sdks/go/api-reference/models/chatsystemmessagerole)       | :heavy\_check\_mark: | N/A                                  |                              |
