[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [HeapProfiler](./puppeteer.protocol.heapprofiler.md) > [SamplingHeapProfileSample](./puppeteer.protocol.heapprofiler.samplingheapprofilesample.md) > [nodeId](./puppeteer.protocol.heapprofiler.samplingheapprofilesample.nodeid.md) ## Protocol.HeapProfiler.SamplingHeapProfileSample.nodeId property Id of the corresponding profile tree node. Signature: ```typescript nodeId: integer; ```