基于 User-Agent Client Hints 的进一步标识：BrandVersion 对象用于标识设备的浏览器或类似软件组件，以及用户代理的执行平台或操作系统。译稿校对中ENFurther identification based on User-Agent Client Hints, the BrandVersion object is used to identify a device’s browser or similar software component, and the user agent’s execution platform or operating system.
| Attribute | Type | Description |
|---|---|---|
| brand required | string | 品牌标识符（如 “Chrome” 或 “Windows”）。取值可源自 User-Agent Client Hints 请求头，表示用户代理品牌（源自 Sec-CH-UA-Full-Version 请求头）或平台品牌（源自 Sec-CH-UA-Platform 请求头）。译稿校对中ENA brand identifier, for example, “Chrome” or “Windows”. The value may be sourced from the User-Agent Client Hints headers, representing either the user agent brand (from the Sec-CH-UA-Full-Version header) or the platform brand (from the Sec-CH-UA-Platform header). |
| version | string[] | 版本分量序列，按层级降序排列（主版本、次版本、微版本…）。译稿校对中ENA sequence of version components, in descending hierarchical order (major, minor, micro, …) |
| ext | object | 供供应商对本对象进行专属扩展（vendor specific extensions）的占位对象。译稿校对中ENPlaceholder for vendor specific extensions to this object. |
译注
译者注字段描述收录自 IAB Tech Lab OpenRTB 2.6 官方规范（CC-BY 3.0）· 枚举值来源 AdCOM 1.0 · 初稿校对中