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AccordionSummary API

API reference docs for the React AccordionSummary component. Learn about the props, CSS, and other APIs of this exported module.

Demos

Import

import AccordionSummary from '@mui/material/AccordionSummary';
// or
import { AccordionSummary } from '@mui/material';

Learn about the difference by reading this guide on minimizing bundle size.

Props

Props of the ButtonBase component are also available.

NameTypeDescription
childrennode

The content of the component.

classesobject

Override or extend the styles applied to the component.

See CSS classes 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 in AccordionSummary. You can take advantage of this to target nested components.

Theme default props

You can use MuiAccordionSummary to change the default props of this component with the theme.

CSS classes

These class names are useful for styling with CSS. They are applied to the component's slots when specific states are triggered.

Class nameRule nameDescription
.Mui-disabledState class applied to the root element if disabled={true}.
.Mui-expandedState class applied to the root element, children wrapper element and IconButton component if expanded={true}.
.Mui-focusVisibleState class applied to the ButtonBase root element if the button is keyboard focused.
.MuiAccordionSummary-contentcontentStyles applied to the children wrapper element.
.MuiAccordionSummary-contentGutterscontentGuttersStyles applied to the children wrapper element unless disableGutters={true}.
.MuiAccordionSummary-expandIconWrapperexpandIconWrapperStyles applied to the expandIcon's wrapper element.
.MuiAccordionSummary-guttersguttersStyles applied to the root element unless disableGutters={true}.
.MuiAccordionSummary-rootrootStyles applied to the root element.

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

Source code

If you did not find the information in this page, consider having a look at the implementation of the component for more detail.