Sets the customizable expand and collapse buttons of the section. These buttons are shown only
if the section is collapsible. If this field isn't set, default buttons are used.
Available for Google Chat apps. In developer preview for Google Workspace add-ons.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-01-30 UTC."],[[["\u003cp\u003eCard sections visually separate groups of widgets within Google Workspace add-ons and Chat apps.\u003c/p\u003e\n"],["\u003cp\u003eThey can be customized with headers and configured to be collapsible, showing a specified number of widgets when collapsed.\u003c/p\u003e\n"],["\u003cp\u003eDevelopers can easily add widgets like images and text paragraphs to card sections using Apps Script.\u003c/p\u003e\n"],["\u003cp\u003eCard sections enhance the organization and user experience by grouping related content within cards.\u003c/p\u003e\n"]]],[],null,["# Class CardSection\n\nCardSection\n\nA card section holds groups of widgets and provides visual separation between them.\n\nAvailable for Google Workspace add-ons and Google Chat apps.\n\n```javascript\nconst image = CardService.newImage();\n// Build image ...\nconst textParagraph = CardService.newTextParagraph();\n// Build text paragraph ...\n\nconst cardSection = CardService.newCardSection()\n .setHeader('Section header')\n .addWidget(image)\n .addWidget(textParagraph);\n``` \n\n### Methods\n\n| Method | Return type | Brief description |\n|---------------------------------------------------------------------------------------------|------------------|---------------------------------------------------------------------------------|\n| [addWidget(widget)](#addWidget(Widget)) | [CardSection](#) | Adds the given widget to this section. |\n| [setCollapseControl(collapseControl)](#setCollapseControl(CollapseControl)) | [CardSection](#) | Sets the customizable expand and collapse buttons of the section. |\n| [setCollapsible(collapsible)](#setCollapsible(Boolean)) | [CardSection](#) | Sets whether the section can be collapsed. |\n| [setHeader(header)](#setHeader(String)) | [CardSection](#) | Sets the header of the section. |\n| [setNumUncollapsibleWidgets(numUncollapsibleWidgets)](#setNumUncollapsibleWidgets(Integer)) | [CardSection](#) | Sets the number of widgets that are still shown when this section is collapsed. |\n\nDetailed documentation\n----------------------\n\n### `add``Widget(widget)`\n\nAdds the given widget to this section. Widgets are shown in the order they were added. You\ncan't add more than 100 widgets to a card section.\n\n#### Parameters\n\n| Name | Type | Description |\n|----------|------------------------------------------------------|---------------------------------|\n| `widget` | [Widget](/apps-script/reference/card-service/widget) | A widget to add to the section. |\n\n#### Return\n\n\n[CardSection](#) --- This object, for chaining.\n\n*** ** * ** ***\n\n### `set``Collapse``Control(collapseControl)`\n\nSets the customizable expand and collapse buttons of the section. These buttons are shown only\nif the section is collapsible. If this field isn't set, default buttons are used.\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 collapseButton =\n CardService.newTextButton()\n .setTextButtonStyle(CardService.TextButtonStyle.BORDERLESS)\n .setText('show less');\n\nconst expandButton =\n CardService.newImageButton()\n .setImageButtonStyle(CardService.ImageButtonStyle.FILLED)\n .setMaterialIcon(CardService.newMaterialIcon().setName('bug_report'));\n\nconst collapsibleSection =\n CardService.newCardSection()\n .setCollapsible(true)\n .setNumUncollapsibleWidgets(1)\n .setCollapseControl(\n CardService.newCollapseControl()\n .setHorizontalAlign(CardService.HorizontalAlignment.CENTER)\n .setCollapseButton(collapseButton)\n .setExpandButton(expandButton),\n );\n```\n\n#### Parameters\n\n| Name | Type | Description |\n|---------------------|-------------------------------------------------------------------------|-------------------------------|\n| `collapse``Control` | [CollapseControl](/apps-script/reference/card-service/collapse-control) | The collapse control setting. |\n\n#### Return\n\n\n[CardSection](#) --- This object, for chaining.\n\n*** ** * ** ***\n\n### `set``Collapsible(collapsible)`\n\nSets whether the section can be collapsed.\n\n#### Parameters\n\n| Name | Type | Description |\n|---------------|-----------|--------------------------|\n| `collapsible` | `Boolean` | The collapsible setting. |\n\n#### Return\n\n\n[CardSection](#) --- This object, for chaining.\n\n*** ** * ** ***\n\n### `set``Header(header)`\n\nSets the header of the section. Optional.\n\n#### Parameters\n\n| Name | Type | Description |\n|----------|----------|------------------|\n| `header` | `String` | The header text. |\n\n#### Return\n\n\n[CardSection](#) --- This object, for chaining.\n\n*** ** * ** ***\n\n### `set``Num``Uncollapsible``Widgets(numUncollapsibleWidgets)`\n\nSets the number of widgets that are still shown when this section is collapsed. The widgets\nshown are always the first ones that were added.\n\n#### Parameters\n\n| Name | Type | Description |\n|-------------------------------|-----------|--------------------------------|\n| `num``Uncollapsible``Widgets` | `Integer` | The number of widgets to show. |\n\n#### Return\n\n\n[CardSection](#) --- This object, for chaining."]]
