关闭侧边栏 iframe。请注意，调用此方法时，侧边栏插件状态不会保留在 Meet 中。如果再次打开侧边栏 iframe（例如，使用对 loadSidePanel 的调用），侧边栏 iframe 源网址会设为插件清单中的原始值。在调用此方法之前，插件是否要在插件后端保留任何插件状态。
签名
unloadSidePanel(): Promise<void>;
详细信息
| 可选 | 否 |
|---|
返回
Promise<void>
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最后更新时间 (UTC)：2024-11-06。
[null,null,["最后更新时间 (UTC)：2024-11-06。"],[[["Calling `unloadSidePanel` closes the side panel in Google Meet, but any add-on-specific data within the side panel is not saved."],["Reopening the side panel using `loadSidePanel` will revert the side panel's content back to its original state defined in the add-on manifest."],["Add-ons should save any necessary data to their backend before `unloadSidePanel` is called to ensure data persistence."],["`unloadSidePanel` returns a `Promise` that resolves when the side panel has been successfully closed."]]],["The `unloadSidePanel` method closes the side panel iframe in Meet. Calling this method does not retain the side panel's state. Reopening the side panel resets its URL to the original value from the add-on manifest. Add-ons must persist their state in their backend before invoking `unloadSidePanel`. The method returns a promise that resolves when the operation is complete. This function is not optional.\n"]]