# Player — Request Visual Viewport

In certain situations, the LiSA Player sends a message to request the visual viewport from the host app or environment. This typically occurs during UI transitions, such as entering floating player mode or when the virtual keyboard appears.

This message is sent by the LiSA Player to the host app / environment.

### Properties

Along with all standard [Message properties](/developers/guides/player-communication/message-api-reference.md#properties), a **Request Visual Viewport** message includes the following additional properties:

<table><thead><tr><th width="226.91015625" valign="top">Name</th><th width="192" valign="top">Type</th><th valign="top">Description</th></tr></thead><tbody><tr><td valign="top"><code>mediaItemId</code></td><td valign="top"><pre><code>String
</code></pre><p>Required.</p></td><td valign="top">The <code>mediaItemId</code> property uniquely identifies the Media Item from which this message originates.</td></tr><tr><td valign="top"><code>mediaItemType</code></td><td valign="top"><pre><code>MediaItemType
</code></pre><p>Required.</p></td><td valign="top">The <code>mediaItemType</code> property specifies the type of Media Item from which this message originates.<br><br>Refer to <a href="/pages/TzMvWg0wtnzBMpFfvyoN#media-item-type"><code>MediaItemType</code></a> for detailed information.</td></tr><tr><td valign="top"><code>messageType</code></td><td valign="top"><pre><code>Literal    
</code></pre><p>Required.</p></td><td valign="top"><code>lsc:player:viewport:request</code></td></tr><tr><td valign="top"><code>progress</code></td><td valign="top"><pre><code>MediaProgress
</code></pre><p>Optional.</p></td><td valign="top">The <code>progress</code> property is an object that holds additional metadata related to the media playback progress of the current media item.<br><br>Please refer to <a href="/pages/rMD8D7mCXjBlgew5J7ms#media-progress"><code>MediaProgress</code></a> for detailed information.</td></tr></tbody></table>

***

### Type Definition

```typescript
interface PlayerRequestVisualViewportMessage extends Omit<
  Message,
  'messageType' | 'sender'
> {
  mediaItemId: string;
  mediaItemType: MediaItemType;
  messageType: 'lsc:player:viewport:request';
  progress: MediaProgress;
  sender: 'LiSA';
}
```

***

### Examples

```json
{
  "clockDriftInMs": 0,
  "mediaItemId": "9f333331-45cb-4289-8bcd-9023c1871111",
  "mediaItemType": "live",
  "messageType": "lsc:player:viewport:request",
  "progress": {
    "bufferedTimeInMs": 636036,
    "currentTimeInMs": 619609,
    "durationInMs": 4616000,
    "elapsedTimeInMs": 22761,
    "isLive": true,
    "isPlaying": true,
    "skipTimeInMs": 600000,
    "visitorDwellTimeInMs": 23882
  },
  "sender": "LiSA"
}
```


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