WebSearchTool

{
    "type": "web_search_preview",
    "search_context_size": "medium",
    "search_content_types": [
        "text"
    ],
    "user_location": {
        "type": "approximate",
        "city": "string",
        "country": "string",
        "region": "string",
        "timezone": "string"
    }
}