Function: OnOpen()

ts

function OnOpen(): MethodDecorator;

Defined in: packages/core/src/websocket/ws-handlers.decorator.ts:28

Marks a gateway method as the WebSocket open handler. Called when a client establishes a connection.

Returns

MethodDecorator

Example

typescript

@OnOpen()
handleOpen(ws: ElysiaWsContext) {
  ws.send('connected');
}