Class OverflowMenuItem
Page Summary
OverflowMenuItem is a UI element for Google Chat apps and Google Workspace add-ons that displays an icon and text.
You can set the text, starting icon, and disable the OverflowMenuItem.
An OverflowMenuItem can trigger various actions when clicked, such as opening a link, executing a custom action, initiating an authorization flow, or composing an email draft.
An OverflowMenuItem can only have one click action set at a time.
AnOverflow with an icon and text label. You can deactivate the menu item whenneeded.
Available for Google Chat apps. In developer preview for Google Workspace add-ons.
Developer Preview: Available as part of theGoogle Workspace Developer Preview Program, which grants early access to certain features.
constoverflowMenuItem=CardService.newOverflowMenuItem().setStartIcon(CardService.newIconImage().setIconUrl('https://www.google.com/images/branding/googleg/1x/googleg_standard_color_64dp.png',),).setText('Open Link').setOpenLink(CardService.newOpenLink().setUrl('https://www.google.com'));
Methods
| Method | Return type | Brief description |
|---|---|---|
set | Overflow | Sets an authorization action that opens a URL to the authorization flow when the object isclicked. |
set | Overflow | Sets an action that composes a draft email when the object is clicked. |
set | Overflow | Sets whether the menu item is disabled. |
set | Overflow | Sets an action that executes when the object is clicked. |
set | Overflow | Sets an action that opens a URL in a tab when the object is clicked. |
set | Overflow | Sets a URL to be opened when the object is clicked. |
set | Overflow | Sets the menu item's leading icon. |
set | Overflow | Sets the title of the menu item. |
Detailed documentation
setAuthorizationAction(action)
Sets an authorization action that opens a URL to the authorization flow when the object isclicked. This opens the URL in a new window. When the user finishes the authorization flow andreturns to the application, the add-on reloads.
A UI object can only have one ofset,set,set,set, orset set.
// ...constaction=CardService.newAuthorizationAction().setAuthorizationUrl('url');CardService.newTextButton().setText('Authorize').setAuthorizationAction(action);
Parameters
| Name | Type | Description |
|---|---|---|
action | Authorization | The object that specifies the authorization action to take when this element is clicked. |
Return
Overflow — This object, for chaining.
setComposeAction(action, composedEmailType)
Sets an action that composes a draft email when the object is clicked. A UI object can onlyhave one ofset,set,set,set, orset set.
TheAction parameter must specify a callback function that returns aCompose object configured usingCompose.
Note: This method doesn't set acompose action that isused toextend the compose UI.Rather, this method connects this UI element to anAction thatcomposes draft messages in Apps Script that areopened in Gmail when the action completes.
// ...constaction=CardService.newAction().setFunctionName('composeEmailCallback');CardService.newTextButton().setText('Compose Email').setComposeAction(action,CardService.ComposedEmailType.REPLY_AS_DRAFT);// ...functioncomposeEmailCallback(e){constthread=GmailApp.getThreadById(e.threadId);constdraft=thread.createDraftReply('This is a reply');returnCardService.newComposeActionResponseBuilder().setGmailDraft(draft).build();}
Parameters
| Name | Type | Description |
|---|---|---|
action | Action | The object that specifies the compose action to take when this element is clicked. |
composed | Composed | An enum value that specifies whether the composed draft is a standalone or reply draft. |
Return
Overflow — This object, for chaining.
setDisabled(disabled)
Sets whether the menu item is disabled. A disabled item is greyed out and cannot be clicked.
Parameters
| Name | Type | Description |
|---|---|---|
disabled | Boolean | The disabled state. |
Return
Overflow — This object, for chaining.
setOnClickAction(action)
Sets an action that executes when the object is clicked. A UI object can only have one ofset,set,set,set, orset set.
TheAction parameter must specify a callback function that returns aAction object.
// ...constaction=CardService.newAction().setFunctionName('notificationCallback');CardService.newTextButton().setText('Create notification').setOnClickAction(action);// ...functionnotificationCallback(){returnCardService.newActionResponseBuilder().setNotification(CardService.newNotification().setText('Some info to display to user'),).build();}
Parameters
| Name | Type | Description |
|---|---|---|
action | Action | The action to take when this element is clicked. |
Return
Overflow — This object, for chaining.
setOnClickOpenLinkAction(action)
Sets an action that opens a URL in a tab when the object is clicked. Use this function when theURL needs to be built or when you need to take other actions in addition to creating theOpen object. A UI object can only have one ofset,set,set,set, orset set.
TheAction parameter must specify a callback function that returns aAction object configured usingAction.
// ...constaction=CardService.newAction().setFunctionName('openLinkCallback');CardService.newTextButton().setText('Open Link').setOnClickOpenLinkAction(action);// ...functionopenLinkCallback(){returnCardService.newActionResponseBuilder().setOpenLink(CardService.newOpenLink().setUrl('https://www.google.com')).build();}
Parameters
| Name | Type | Description |
|---|---|---|
action | Action | The object that specifies the open link action to take when this element is clicked. |
Return
Overflow — This object, for chaining.
setOpenLink(openLink)
Sets a URL to be opened when the object is clicked. Use this function when the URL is alreadyknown and only needs to be opened. A UI object can only have one ofset,set,set,set,orset set.
Parameters
| Name | Type | Description |
|---|---|---|
open | Open | AnOpen object describing the URL to open. |
Return
Overflow — This object, for chaining.
setStartIcon(icon)
Sets the menu item's leading icon.
Parameters
| Name | Type | Description |
|---|---|---|
icon | Icon | The icon to display. |
Return
Overflow — This object, for chaining.
setText(text)
Sets the title of the menu item. Required.
Parameters
| Name | Type | Description |
|---|---|---|
text | String | The text to display. |
Return
Overflow — This object, for chaining.
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Last updated 2025-12-03 UTC.