ant-design/components/alert/index.en-US.md

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---
category: Components
type: Feedback
title: Alert
cover: https://gw.alipayobjects.com/zos/alicdn/8emPa3fjl/Alert.svg
---
Alert component for feedback.
## When To Use
- When you need to show alert messages to users.
- When you need a persistent static container which is closable by user actions.
## API
| Property | Description | Type | Default | Version |
| --- | --- | --- | --- | --- |
| action | The action of Alert | ReactNode | - | 4.9.0 |
| afterClose | Called when close animation is finished | () => void | - | |
| banner | Whether to show as banner | boolean | false | |
| closable | Whether Alert can be closed | boolean | - | |
| closeText | Close text to show | ReactNode | - | |
| closeIcon | Custom close icon | ReactNode | `<CloseOutlined />` | 4.18.0 |
| description | Additional content of Alert | ReactNode | - | |
| icon | Custom icon, effective when `showIcon` is true | ReactNode | - | |
| message | Content of Alert | ReactNode | - | |
| showIcon | Whether to show icon | boolean | false, in `banner` mode default is true | |
| type | Type of Alert styles, options: `success`, `info`, `warning`, `error` | string | `info`, in `banner` mode default is `warning` | |
| onClose | Callback when Alert is closed | (e: MouseEvent) => void | - | |
### Alert.ErrorBoundary
| Property | Description | Type | Default | Version |
| ----------- | -------------------------------- | --------- | ----------------- | ------- |
| description | Custom error description to show | ReactNode | {{ error stack }} | |
| message | Custom error message to show | ReactNode | {{ error }} | |