[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [HeapProfiler](./puppeteer.protocol.heapprofiler.md) > [AddInspectedHeapObjectRequest](./puppeteer.protocol.heapprofiler.addinspectedheapobjectrequest.md) > [heapObjectId](./puppeteer.protocol.heapprofiler.addinspectedheapobjectrequest.heapobjectid.md) ## Protocol.HeapProfiler.AddInspectedHeapObjectRequest.heapObjectId property Heap snapshot object id to be accessible by means of $x command line API. Signature: ```typescript heapObjectId: HeapSnapshotObjectId; ```