[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Network](./puppeteer.protocol.network.md) > [EventSourceMessageReceivedEvent](./puppeteer.protocol.network.eventsourcemessagereceivedevent.md) ## Protocol.Network.EventSourceMessageReceivedEvent interface Fired when EventSource message is received. Signature: ```typescript export interface EventSourceMessageReceivedEvent ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [data](./puppeteer.protocol.network.eventsourcemessagereceivedevent.data.md) | string | Message content. | | [eventId](./puppeteer.protocol.network.eventsourcemessagereceivedevent.eventid.md) | string | Message identifier. | | [eventName](./puppeteer.protocol.network.eventsourcemessagereceivedevent.eventname.md) | string | Message type. | | [requestId](./puppeteer.protocol.network.eventsourcemessagereceivedevent.requestid.md) | [RequestId](./puppeteer.protocol.network.requestid.md) | Request identifier. | | [timestamp](./puppeteer.protocol.network.eventsourcemessagereceivedevent.timestamp.md) | [MonotonicTime](./puppeteer.protocol.network.monotonictime.md) | Timestamp. |