[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Network](./puppeteer.protocol.network.md) > [WebSocketClosedEvent](./puppeteer.protocol.network.websocketclosedevent.md) > [timestamp](./puppeteer.protocol.network.websocketclosedevent.timestamp.md) ## Protocol.Network.WebSocketClosedEvent.timestamp property Timestamp. Signature: ```typescript timestamp: MonotonicTime; ```