--- 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 | `` | 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 }} | |