[Home](./index.md) > [client](./client.md) > [HytopiaUI](./client.hytopiaui.md) > [sendData](./client.hytopiaui.senddata.md) ## HytopiaUI.sendData() method Sends data from your UI to the game server. The server receives this via `player.ui.on(PlayerUIEvent.DATA, callback)`. Use this to notify the server of player actions taken in your custom UI. **Signature:** ```typescript sendData(data: object): void; ``` ## Parameters

Parameter	Type	Description
data	object	Data object to send to the server

**Returns:** void