> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify.com/huntabyte/shadcn-svelte/llms.txt
> Use this file to discover all available pages before exploring further.

# Collapsible

> An interactive component which expands/collapses a panel.

## Installation

<Tabs>
  <Tab title="CLI">
    ```bash theme={null}
    npx shadcn-svelte@next add collapsible
    ```
  </Tab>

  <Tab title="Manual">
    <Steps>
      <Step title="Install bits-ui">
        ```bash theme={null}
        npm install bits-ui -D
        ```
      </Step>

      <Step title="Copy component code">
        Copy and paste the component source code into your project.
      </Step>
    </Steps>
  </Tab>
</Tabs>

## Usage

```svelte theme={null}
<script lang="ts">
  import * as Collapsible from "$lib/components/ui/collapsible/index.js";
</script>

<Collapsible.Root>
  <Collapsible.Trigger>Can I use this in my project?</Collapsible.Trigger>
  <Collapsible.Content>
    Yes. Free to use for personal and commercial projects. No attribution
    required.
  </Collapsible.Content>
</Collapsible.Root>
```

## Links

* [Source Code](https://github.com/huntabyte/shadcn-svelte/tree/next/sites/docs/src/lib/registry/ui/collapsible)
* [Bits UI Documentation](https://bits-ui.com/docs/components/collapsible)
* [API Reference](https://bits-ui.com/docs/components/collapsible#api-reference)