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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 our guide.


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.

The ref is forwarded to the root element.

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


  • Style sheet name: MuiExpansionPanelSummary.
  • Style sheet details:
Rule name Global class Description
root MuiExpansionPanelSummary-root Styles applied to the root element.
expanded Mui-expanded Styles applied to the root element, children wrapper element and IconButton component if expanded={true}.
focused Mui-focused Styles applied to the root and children wrapper elements when focused.
disabled Mui-disabled Styles 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.