hytopia/docs/server.playeruieventpayloads._player_ui.append_.md

The HYTOPIA SDK makes it easy for developers to create massively multiplayer games using JavaScript or TypeScript.

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[Home](./index.md) &gt; [server](./server.md) &gt; [PlayerUIEventPayloads](./server.playeruieventpayloads.md) &gt; ["PLAYER\_UI.APPEND"](./server.playeruieventpayloads._player_ui.append_.md)

## PlayerUIEventPayloads."PLAYER\_UI.APPEND" property

Emitted when UI HTML is appended to the player's existing client UI.

**Signature:**

```typescript
[PlayerUIEvent.APPEND]: {
        playerUI: PlayerUI;
        htmlUri: string;
    };
```