---
description: API reference for RtkVirtualizedParticipantList component (React Library)
title: RtkVirtualizedParticipantList
image: https://developers.cloudflare.com/og-docs.png
---

[Skip to content](#main-content)

> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/realtime/llms.txt  
> Use this file to discover all available pages before exploring further.

# RtkVirtualizedParticipantList

Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://e8aee267.previews.developers.cloudflare.com/realtime/realtimekit/ui-kit/api-reference/react/rtkvirtualizedparticipantlist/index.md)|[Agent setup](https://e8aee267.previews.developers.cloudflare.com/agent-setup/)

## Properties

| Property           | Type                         | Required | Default | Description                                              |
| ------------------ | ---------------------------- | -------- | ------- | -------------------------------------------------------- |
| bufferedItemsCount | number                       | ✅        | \-      | Buffer items to render before and after the visible area |
| emptyListElement   | HTMLElement                  | ✅        | \-      | Element to render if list is empty                       |
| itemHeight         | number                       | ✅        | \-      | Height of each item in pixels (assumed fixed)            |
| items              | Peer1\[\]                    | ✅        | \-      | Items to be virtualized                                  |
| renderItem         | (item: Peer1, index: number) | ✅        | \-      | Function to render each item                             |

## Usage Examples

### Basic Usage

```tsx
import { RtkVirtualizedParticipantList } from '@cloudflare/realtimekit-react-ui';

function MyComponent() {
  return <RtkVirtualizedParticipantList />;
}
```

### With Properties

```tsx
import { RtkVirtualizedParticipantList } from '@cloudflare/realtimekit-react-ui';

function MyComponent() {
  return (
    <RtkVirtualizedParticipantList
      bufferedItemsCount={42}
      emptyListElement={htmlelement}
      itemHeight={42}
    />
  );
}
```

Was this helpful?

YesNo

## On this page

[![](https://e8aee267.previews.developers.cloudflare.com/_astro/logo.te5VL_aD.svg)Docs](https://e8aee267.previews.developers.cloudflare.com/)

```json
{"@context":"https://schema.org","@type":"WebPage","@id":"https://developers.cloudflare.com/realtime/realtimekit/ui-kit/api-reference/react/rtkvirtualizedparticipantlist/#page","headline":"RtkVirtualizedParticipantList · Cloudflare Realtime docs","description":"API reference for RtkVirtualizedParticipantList component (React Library)","url":"https://developers.cloudflare.com/realtime/realtimekit/ui-kit/api-reference/react/rtkvirtualizedparticipantlist/","inLanguage":"en","image":"https://developers.cloudflare.com/og-docs.png","dateModified":"2026-08-24","publisher":{"@type":"Organization","name":"Cloudflare","url":"https://www.cloudflare.com/"},"isPartOf":{"@type":"WebSite","@id":"https://developers.cloudflare.com/#website","name":"Cloudflare Docs","url":"https://developers.cloudflare.com/"}}
```