vertx / io.vertx.reactivex.core.http / HttpServer / websocketHandler

# websocketHandler

`open fun websocketHandler(handler: Handler<ServerWebSocket>): HttpServer`

Set the websocket handler for the server to `wsHandler`. If a websocket connect handshake is successful a new io.vertx.reactivex.core.http.ServerWebSocket instance will be created and passed to the handler.

### Parameters

`handler` -

Return
a reference to this, so the API can be used fluently