[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [HeapProfiler](./puppeteer.protocol.heapprofiler.md) > [HeapSnapshotObjectId](./puppeteer.protocol.heapprofiler.heapsnapshotobjectid.md) ## Protocol.HeapProfiler.HeapSnapshotObjectId type Heap snapshot object id. Signature: ```typescript export type HeapSnapshotObjectId = string; ```