--- title: Details description: Creates a collapsible content area that can be expanded or collapsed by users. Use with Summary to provide expandable sections for additional information or settings. api_version: 2025-10 api_name: checkout-ui-extensions source_url: html: https://shopify.dev/docs/api/checkout-ui-extensions/latest/polaris-web-components/interactive/details md: https://shopify.dev/docs/api/checkout-ui-extensions/latest/polaris-web-components/interactive/details.md --- # Details Creates a collapsible content area that can be expanded or collapsed by users. Use with Summary to provide expandable sections for additional information or settings. ## Properties * defaultOpen boolean Default: false Indicates whether the element should be open by default. This reflects to the `open` attribute. * id string A unique identifier for the element. * open boolean Default: false Whether the element is open. This does not reflect to any attribute. * toggleTransition 'none' | 'auto' Default: 'auto' Sets the transition between the two states. ## Events Learn more about [registering events](https://shopify.dev/docs/api/checkout-ui-extensions/2025-10/using-polaris-components#event-handling). * aftertoggle CallbackEventListener\ Callback fired when the element state changes **after** any animations have finished. * If the element transitioned from hidden to showing, the `oldState` property will be set to `closed` and the `newState` property will be set to `open`. * If the element transitioned from showing to hidden, the `oldState` property will be set to `open` and the `newState` will be `closed`. * toggle CallbackEventListener\ Callback straight after the element state changes. * If the element is transitioning from hidden to showing, the `oldState` property will be set to `closed` and the `newState` property will be set to `open`. * If the element is transitioning from showing to hidden, then `oldState` property will be set to `open` and the `newState` will be `closed`. ### CallbackEventListener ```ts (EventListener & { (event: CallbackEvent & TData): void; }) | null ``` ### CallbackEvent ```ts TEvent & { currentTarget: HTMLElementTagNameMap[TTagName]; } ``` ### ToggleArgumentsEvent * newState ```ts ToggleState ``` * oldState ```ts ToggleState ``` ```ts export interface ToggleArgumentsEvent { oldState?: ToggleState; newState?: ToggleState; } ``` ### ToggleState ```ts 'open' | 'closed' ``` ## Summary Provides a clickable label for collapsible Details content. Use to create clear, accessible disclosure controls that show or hide additional information. * id string A unique identifier for the element. ### Examples * #### Code ##### Default ```html Pickup instructions Curbside pickup is at the back of the warehouse. Park in a stall and follow the signs. ``` ## Preview ![](https://shopify.dev/images/templated-apis-screenshots/checkout-ui-extensions/2025-10/details-default.png)