Google Chat アプリで利用できます。Google Workspace アドオンのデベロッパー プレビュー版。
constoverflowMenuItem=CardService.newOverflowMenuItem();// Finish building the overflow menu item...constoverflowMenu=CardService.newOverflowMenu().addMenuItem(overflowMenuItem);
[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["必要な情報がない","missingTheInformationINeed","thumb-down"],["複雑すぎる / 手順が多すぎる","tooComplicatedTooManySteps","thumb-down"],["最新ではない","outOfDate","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["サンプル / コードに問題がある","samplesCodeIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-07-26 UTC。"],[[["\u003cp\u003eOverflowMenu displays a pop-up menu containing OverflowMenuItems and is available for Google Chat apps and in developer preview for Google Workspace Add-ons.\u003c/p\u003e\n"],["\u003cp\u003eDevelopers can create an OverflowMenu and populate it with OverflowMenuItems using methods like \u003ccode\u003eaddMenuItem\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eaddMenuItem\u003c/code\u003e method appends an OverflowMenuItem to the OverflowMenu, facilitating menu creation within Google Chat apps and Workspace Add-ons.\u003c/p\u003e\n"]]],[],null,["# Class OverflowMenu\n\nOverflowMenu\n\nHolds a list of [OverflowMenuItem](/apps-script/reference/card-service/overflow-menu-item) objects that are displayed in a pop-up menu.\n\nAvailable for Google Chat apps. In developer preview for Google Workspace add-ons.\n\n\n| **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\u003cbr /\u003e\n\n```javascript\nconst overflowMenuItem = CardService.newOverflowMenuItem();\n// Finish building the overflow menu item...\n\nconst overflowMenu =\n CardService.newOverflowMenu().addMenuItem(overflowMenuItem);\n``` \n\n### Methods\n\n| Method | Return type | Brief description |\n|---------------------------------------------------------|-------------------|-------------------|\n| [addMenuItem(menuItem)](#addMenuItem(OverflowMenuItem)) | [OverflowMenu](#) | Adds a menu item. |\n\nDetailed documentation\n----------------------\n\n### `add``Menu``Item(menuItem)`\n\nAdds a menu item.\n\n#### Parameters\n\n| Name | Type | Description |\n|--------------|----------------------------------------------------------------------------|-----------------------|\n| `menu``Item` | [OverflowMenuItem](/apps-script/reference/card-service/overflow-menu-item) | The menu item to add. |\n\n#### Return\n\n\n[OverflowMenu](#) --- This object, for chaining."]]
