> ## 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.

# ContentWebSearchToolResult - Go SDK

> ContentWebSearchToolResult type definition

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

## Fields

| Field          | Type                                                                                                                   | Required             | Description                                                                                                                                                                                                 | Example                 |
| -------------- | ---------------------------------------------------------------------------------------------------------------------- | -------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------- |
| `CacheControl` | [\*components.AnthropicCacheControlDirective](/client-sdks/go/api-reference/models/anthropiccachecontroldirective)     | :heavy\_minus\_sign: | Enable automatic prompt caching. When set at the top level, the system automatically applies cache breakpoints to the last cacheable block in the request. Currently supported for Anthropic Claude models. | `{"type": "ephemeral"}` |
| `Content`      | [components.MessagesMessageParamContentUnion3](/client-sdks/go/api-reference/models/messagesmessageparamcontentunion3) | :heavy\_check\_mark: | N/A                                                                                                                                                                                                         |                         |
| `ToolUseID`    | `string`                                                                                                               | :heavy\_check\_mark: | N/A                                                                                                                                                                                                         |                         |
| `Type`         | [components.TypeWebSearchToolResult](/client-sdks/go/api-reference/models/typewebsearchtoolresult)                     | :heavy\_check\_mark: | N/A                                                                                                                                                                                                         |                         |