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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

For examples and details on the usage of this React component, visit the component demo pages:

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.

children

The content of the component.

Type:

node
classes

Override or extend the styles applied to the component.

Type:

object
expandIcon

The icon to display as the expand indicator.

Type:

node
focusVisibleClassName

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.

Type:

string
sx

The system prop that allows defining system overrides as well as additional CSS styles.

Type:

Array<func | object | bool> | func | object
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

The following class names are useful for styling with CSS (the state classes are marked).
To learn more, visit the component customization page.

.MuiAccordionSummary-rootroot

Styles applied to the root element.

.Mui-expandedexpandedSTATE

State class applied to the root element, children wrapper element and IconButton component if expanded={true}.

.Mui-focusVisiblefocusVisibleSTATE

State class applied to the ButtonBase root element if the button is keyboard focused.

.Mui-disableddisabledSTATE

State class applied to the root element if disabled={true}.

.MuiAccordionSummary-guttersgutters

Styles applied to the root element unless disableGutters={true}.

.MuiAccordionSummary-contentGutterscontentGutters

Styles applied to the children wrapper element unless disableGutters={true}.

.MuiAccordionSummary-contentcontent

Styles applied to the children wrapper element.

.MuiAccordionSummary-expandIconWrapperexpandIconWrapper

Styles applied to the expandIcon's wrapper element.

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