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ExpansionPanelSummary API

The API documentation of the ExpansionPanelSummary React component. Learn more about the props and the CSS customization points.


import ExpansionPanelSummary from '@material-ui/core/ExpansionPanelSummary';
// or
import { ExpansionPanelSummary } from '@material-ui/core';

You can learn more about the difference by reading this guide.

āš ļø The ExpansionPanelSummary component was renamed to AccordionSummary to use a more common naming convention.

You should use import { AccordionSummary } from '@material-ui/core' or import AccordionSummary from '@material-ui/core/AccordionSummary'.

Component name

The MuiExpansionPanelSummary name can be used for providing default props or style overrides at the theme level.


Name Type Default Description
children node The content of the expansion panel summary.
classes object Override or extend the styles applied to the component. See CSS API below for more details.
expandIcon node The icon to display as the expand indicator.
IconButtonProps object Props applied to the IconButton element wrapping the expand icon.
onFocusVisible func Callback fired when the component is focused with a keyboard. We trigger a onFocus callback too.

The ref is forwarded to the root element.

Any other props supplied will be provided to the root element (ButtonBase).


Rule name Global class Description
root .MuiExpansionPanelSummary-root Styles applied to the root element.
expanded .Mui-expanded Pseudo-class applied to the root element, children wrapper element and IconButton component if expanded={true}.
focused .Mui-focused Pseudo-class applied to the root element if focused={true}.
disabled .Mui-disabled Pseudo-class applied to the root element if disabled={true}.
content .MuiExpansionPanelSummary-content Styles applied to the children wrapper element.
expandIcon .MuiExpansionPanelSummary-expandIcon Styles applied to the IconButton component when expandIcon is supplied.

You can override the style of the component thanks to one of these customization points:

If that's not sufficient, you can check the implementation of the component for more detail.


The props of the ButtonBase component are also available. You can take advantage of this behavior to target nested components.