<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Protocol](./puppeteer.protocol.md) &gt; [HeapProfiler](./puppeteer.protocol.heapprofiler.md) &gt; [LastSeenObjectIdEvent](./puppeteer.protocol.heapprofiler.lastseenobjectidevent.md)

## Protocol.HeapProfiler.LastSeenObjectIdEvent interface

If heap objects tracking has been started then backend regularly sends a current value for last seen object id and corresponding timestamp. If the were changes in the heap since last event then one or more heapStatsUpdate events will be sent before a new lastSeenObjectId event.

<b>Signature:</b>

```typescript
export interface LastSeenObjectIdEvent 
```

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [lastSeenObjectId](./puppeteer.protocol.heapprofiler.lastseenobjectidevent.lastseenobjectid.md) | [integer](./puppeteer.protocol.integer.md) |  |
|  [timestamp](./puppeteer.protocol.heapprofiler.lastseenobjectidevent.timestamp.md) | number |  |