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[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Protocol](./puppeteer.protocol.md) &gt; [HeapProfiler](./puppeteer.protocol.heapprofiler.md) &gt; [HeapStatsUpdateEvent](./puppeteer.protocol.heapprofiler.heapstatsupdateevent.md)

## Protocol.HeapProfiler.HeapStatsUpdateEvent interface

If heap objects tracking has been started then backend may send update for one or more fragments

<b>Signature:</b>

```typescript
export interface HeapStatsUpdateEvent 
```

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [statsUpdate](./puppeteer.protocol.heapprofiler.heapstatsupdateevent.statsupdate.md) | [integer](./puppeteer.protocol.integer.md)<!-- -->\[\] | An array of triplets. Each triplet describes a fragment. The first integer is the fragment index, the second integer is a total count of objects for the fragment, the third integer is a total size of the objects for the fragment. |