[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Network](./puppeteer.protocol.network.md) > [WebSocketHandshakeResponseReceivedEvent](./puppeteer.protocol.network.websockethandshakeresponsereceivedevent.md) ## Protocol.Network.WebSocketHandshakeResponseReceivedEvent interface Fired when WebSocket handshake response becomes available. Signature: ```typescript export interface WebSocketHandshakeResponseReceivedEvent ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [requestId](./puppeteer.protocol.network.websockethandshakeresponsereceivedevent.requestid.md) | [RequestId](./puppeteer.protocol.network.requestid.md) | Request identifier. | | [response](./puppeteer.protocol.network.websockethandshakeresponsereceivedevent.response.md) | [WebSocketResponse](./puppeteer.protocol.network.websocketresponse.md) | WebSocket response data. | | [timestamp](./puppeteer.protocol.network.websockethandshakeresponsereceivedevent.timestamp.md) | [MonotonicTime](./puppeteer.protocol.network.monotonictime.md) | Timestamp. |