[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Network](./puppeteer.protocol.network.md) > [RequestWillBeSentExtraInfoEvent](./puppeteer.protocol.network.requestwillbesentextrainfoevent.md) > [requestId](./puppeteer.protocol.network.requestwillbesentextrainfoevent.requestid.md) ## Protocol.Network.RequestWillBeSentExtraInfoEvent.requestId property Request identifier. Used to match this information to an existing requestWillBeSent event. Signature: ```typescript requestId: RequestId; ```