Fields
| Field | Type | Required | Description | Example |
|---|---|---|---|---|
api_format | components.ServerToolOutputNameAPIFormat | ✅ | N/A | |
name | Optional[str] | ➖ | Anthropic Messages server_tool_use block name, when the call surfaces as one | web_search |
type | str | ✅ | Output item type on Responses, content block type on Anthropic Messages, reasoning_details[].type on Chat Completions | web_search_call |