OverflowMenu

Holds a list of `https://developers.google.com/apps-script/reference/card-service/overflow-menu-item` objects that are displayed in a pop-up menu.

Available for Google Chat apps. In developer preview for Google Workspace add-ons.


> [!WARNING]
> **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.

<br />

```javascript
const overflowMenuItem = CardService.newOverflowMenuItem();
// Finish building the overflow menu item...

const overflowMenu =
    CardService.newOverflowMenu().addMenuItem(overflowMenuItem);
```

### Methods

| Method | Return type | Brief description |
|---|---|---|
| `https://developers.google.com/apps-script/reference/card-service/overflow-menu#addMenuItem(OverflowMenuItem)` | `https://developers.google.com/apps-script/reference/card-service/overflow-menu#` | Adds a menu item. |

## Detailed documentation

### `addMenuItem(menuItem)`

Adds a menu item.

#### Parameters

| Name | Type | Description |
|---|---|---|
| `menuItem` | `https://developers.google.com/apps-script/reference/card-service/overflow-menu-item` | The menu item to add. |

#### Return


`https://developers.google.com/apps-script/reference/card-service/overflow-menu#` --- This object, for chaining.