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Alert API

API reference docs for the React Alert 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 Alert from '@mui/material/Alert';
// or
import { Alert } from '@mui/material';
Learn about the difference by reading this guide on minimizing bundle size.

Props

Props of the Paper component are also available.

action

children

classes

closeText

color

components

componentsProps

icon

iconMapping

onClose

role

severity

slotProps

slots

sx

variant

The ref is forwarded to the root element.

Inheritance

While not explicitly documented above, the props of the Paper component are also available in Alert. You can take advantage of this to target nested components.


Theme default props

You can use MuiAlert 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.

.MuiAlert-root

.MuiAlert-filled

.MuiAlert-outlined

.MuiAlert-standard

.MuiAlert-standardSuccess

.MuiAlert-standardInfo

.MuiAlert-standardWarning

.MuiAlert-standardError

.MuiAlert-outlinedSuccess

.MuiAlert-outlinedInfo

.MuiAlert-outlinedWarning

.MuiAlert-outlinedError

.MuiAlert-filledSuccess

.MuiAlert-filledInfo

.MuiAlert-filledWarning

.MuiAlert-filledError

.MuiAlert-icon

.MuiAlert-message

.MuiAlert-action


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