Class CollapseControl

A customizable collapse and expand control.

Only available for Google Chat apps. Not available for Google Workspace Add-ons.

const collapseButton =
    CardService.newTextButton()
        .setTextButtonStyle(CardService.TextButtonStyle.BORDERLESS)
        .setText('Collapse');

const expandButton =
    CardService.newImageButton()
        .setImageButtonStyle(CardService.ImageButtonStyle.FILLED);

const collapseControl =
    CardService.newCollapseControl()
        .setHorizontalAlign(CardService.HorizontalAlignment.END)
        .setExpandButton(expandButton)
        .setCollapseButton(collapseButton);

Methods

Method	Return type	Brief description
`setCollapseButton(button)`	`CollapseControl`	Sets the `Button` that is displayed for "show less" button.
`setExpandButton(button)`	`CollapseControl`	Sets the `Button` that is displayed for "show more" button.
`setHorizontalAlign(horizontalAlignment)`	`CollapseControl`	Sets the `HorizontalAlignment` of the `CollapseControl`.

Detailed documentation

`setCollapseButton(button)`

Sets the Button that is displayed for "show less" button. Optional.
Must be set together with collapse button.

const collapseButton =
    CardService.newTextButton().setText('Collapse');

const collapseControl =
    CardService.newCollapseControl()
        .setCollapseButton(collapseButton);

Parameters

Name	Type	Description
`button`	`Button`	The collapse button to set.

Return

CollapseControl — This object, for chaining.

`setExpandButton(button)`

Sets the Button that is displayed for "show more" button. Optional.
Must be set together with collapse button.

const expandButton =
    CardService.newTextButton().setText('Expand');

const collapseControl =
    CardService.newCollapseControl()
        .setExpandButton(expandButton);

Parameters

Name	Type	Description
`button`	`Button`	The expand button to set.

Return

CollapseControl — This object, for chaining.

`setHorizontalAlign(horizontalAlignment)`

Sets the HorizontalAlignment of the CollapseControl. Optional. *

const collapseControl = CardService.newCollapseControl().setHorizontalAlign(
    CardService.HorizontalAlignment.START,
);

Parameters

Name	Type	Description
`horizontalAlignment`	`HorizontalAlignment`	The horizontal alignment of the CollapseControl widget.

Return

CollapseControl — This object, for chaining.