正在播放的媒体的标识符。
签名
mediaId: string;
详细信息
| 类型 | string |
|---|---|
| 可选 | 否 |
| 只读 | 否 |
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最后更新时间 (UTC)：2024-09-10。
[null,null,["最后更新时间 (UTC)：2024-09-10。"],[[["The Early Access Program for this feature is now closed and no longer accepting new participants."],["The program provided a limited preview of the feature before its wider release."]]],["The core content describes a `mediaId` property, a mandatory string identifier for media being played, relevant to a co-watching application. Its format is only important to the application itself. Additionally, an Early Access Program, which was previously available for limited preview of a feature, is now closed to new signups.\n"]]