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title: Extension Components
sidebar_label: Overview
sidebar_position: 1
---
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# Extension Components
These UI components are available to Superset extension developers through the `@apache-superset/core/components` package. They provide a consistent look and feel with the rest of Superset and are designed to be used in extension panels, views, and other UI elements.
## Available Components
- [Alert](./alert.mdx)
## Usage
All components are exported from the `@apache-superset/core/components` package:
```tsx
import { Alert } from '@apache-superset/core/components';
export function MyExtensionPanel() {
return <Alert type="info">Welcome to my extension!</Alert>;
}
```
## Adding New Components
Components in `@apache-superset/core/components` are automatically documented here. To add a new extension component:
1. Add the component to `superset-frontend/packages/superset-core/src/ui/components/`
2. Export it from `superset-frontend/packages/superset-core/src/ui/components/index.ts`
3. Create a Storybook story with an `Interactive` export:
```tsx
export default {
title: 'Extension Components/MyComponent',
component: MyComponent,
parameters: {
docs: {
description: {
component: 'Description of the component...',
},
},
},
};
export const InteractiveMyComponent = args => <MyComponent {...args} />;
InteractiveMyComponent.args = {
variant: 'primary',
disabled: false,
};
InteractiveMyComponent.argTypes = {
variant: {
control: { type: 'select' },
options: ['primary', 'secondary'],
},
disabled: {
control: { type: 'boolean' },
},
};
```
4. Run `yarn start` in `docs/` - the page generates automatically!
## Interactive Documentation
For interactive examples with controls, run Storybook locally — see the [Storybook documentation](/developer-docs/testing/storybook).
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