# RtcPresenceListConfig

interface

The configuration of the real-time collaboration features.

```typescript
ClassicEditor
	.create( {
		presenceList: ... // Collaboration presence list configuration.
	} )
	.then( ... )
	.catch( ... );
```

See [all editor options](module_core_editor_editorconfig-EditorConfig.md).

<a id="properties">

## Properties

<a id="member-collapseAt">

### `collapseAt?: number`

Indicates a number of displayed users at which the presence list will switch to a dropdown view. If the number is 8, then 7 users will still be displayed inline, while 8+ users will be displayed in the dropdown.

The number must be greater than `0`.

Defaults to `6`

<a id="member-container">

### `container?: HTMLElement`

DOM element that will hold the feature’s UI.

<a id="member-displayMe">

### `displayMe?: boolean`

Determines if the local user avatar should be displayed in the presence list (`true`) or not (`false`).

Defaults to `true`

<a id="member-onClick">

### `onClick?: ( user: User, element: HTMLElement ) => void`

Callback function that will be invoked after a click on a presence list member.

<a id="member-overlayContainer">

### `overlayContainer?: ShadowRoot | HTMLElement`

DOM element or shadow root into which the floating presence list dropdown is mounted.

When the presence list runs inside a shadow root, provide this container as a separate shadow root attached to a host element placed at the end of `document.body`, rather than to an element nested in the presence list's own tree. As a direct child of `document.body`, that host has no scrollable or `overflow: hidden` ancestor to clip the dropdown (the [`container`](#member-container) typically clips its own overflow).

When it is not set, the shared [`ui.overlayContainer`](module_core_editor_editorconfig-UiConfig.md#member-overlayContainer) from the context configuration is used instead, if present. Otherwise the dropdown is mounted into the shadow root that the [`container`](#member-container) lives in, so it inherits the same styles; the `document.body` default is meant just for a presence list in the light DOM.

---

Full index of the CKEditor 5 API reference: [llms.txt](llms.txt)