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AccordionSummary API

API documentation for the React AccordionSummary component. Learn about the available props and the CSS API.

Import

import AccordionSummary from '@mui/material/AccordionSummary';
// or
import { AccordionSummary } from '@mui/material';
You can learn about the difference by reading this guide on minimizing bundle size.

Component name

The name MuiAccordionSummary can be used when providing default props or style overrides in the theme.

Props

Props of the ButtonBase component are also available.

NameTypeDefaultDescription
childrennode
The content of the component.
classesobject
Override or extend the styles applied to the component. See CSS API below for more details.
expandIconnode
The icon to display as the expand indicator.
focusVisibleClassNamestring
This prop can help identify which element has keyboard focus. The class name will be applied when the element gains the focus through keyboard interaction. It's a polyfill for the CSS :focus-visible selector. The rationale for using this feature is explained here. A polyfill can be used to apply a focus-visible class to other components if needed.
sxArray<func
| object
| bool>
| func
| object
The system prop that allows defining system overrides as well as additional CSS styles. See the `sx` page for more details.

The ref is forwarded to the root element.

Inheritance

While not explicitly documented above, the props of the ButtonBase component are also available on AccordionSummary. You can take advantage of this to target nested components.

CSS

Rule nameGlobal classDescription
root.MuiAccordionSummary-rootStyles applied to the root element.
expanded.Mui-expandedState class applied to the root element, children wrapper element and IconButton component if expanded={true}.
focusVisible.Mui-focusVisibleState class applied to the ButtonBase root element if the button is keyboard focused.
disabled.Mui-disabledState class applied to the root element if disabled={true}.
gutters.MuiAccordionSummary-guttersStyles applied to the root element unless disableGutters={true}.
contentGutters.MuiAccordionSummary-contentGuttersStyles applied to the children wrapper element unless disableGutters={true}.
content.MuiAccordionSummary-contentStyles applied to the children wrapper element.
expandIconWrapper.MuiAccordionSummary-expandIconWrapperStyles applied to the `expandIcon`'s wrapper element.

You can override the style of the component using one of these customization options:

Demos