视频画布的 ID。此属性是必需的，并且在包含的布局模型中必须是唯一的。客户端应谨慎重复使用这些 ID，因为这样可以让后端尽可能继续将视频串流分配给同一画布。
签名
id: number;
详细信息
| 类型 | number |
|---|---|
| 可选 | 否 |
| 只读 | 否 |
属性签名 MediaApiCanvas.id
如未另行说明，那么本页面中的内容已根据知识共享署名 4.0 许可获得了许可，并且代码示例已根据 Apache 2.0 许可获得了许可。有关详情，请参阅 Google 开发者网站政策。Java 是 Oracle 和/或其关联公司的注册商标。
最后更新时间 (UTC)：2025-07-25。
[null,null,["最后更新时间 (UTC)：2025-07-25。"],[],[],null,["| **Developer Preview:** Available as part of the [Google Workspace Developer Preview Program](https://developers.google.com/workspace/preview), which grants early access to certain features. \n|\n| **To use the Meet Media API to access real-time media from a conference, the Google Cloud project, OAuth principal, and all participants in the conference must be enrolled in the Developer Preview Program.**\n\nID for the video canvas. This is required and must be unique within the\ncontaining layout model. Clients should prudently reuse these IDs, as this\nallows the backend to keep assigning video streams to the same canvas as much as\npossible.\n\nSignature \n\n id: number;\n\nDetails\n\n| Type | `number` |\n| Optional | No |\n| Readonly | No |\n|----------|----------|"]]