[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [HeapProfiler](./puppeteer.protocol.heapprofiler.md) > [SamplingHeapProfileSample](./puppeteer.protocol.heapprofiler.samplingheapprofilesample.md) > [ordinal](./puppeteer.protocol.heapprofiler.samplingheapprofilesample.ordinal.md) ## Protocol.HeapProfiler.SamplingHeapProfileSample.ordinal property Time-ordered sample ordinal number. It is unique across all profiles retrieved between startSampling and stopSampling. Signature: ```typescript ordinal: number; ```