---
title: "SnapshotId"
description: "The type of [Snapshot.snapshotId]. On most platforms this is a [Long] but may be a different type
if the platform target does not support [Long] efficiently (such as JavaScript)."
type: "class"
---

<div class='type'>Class</div>


<a id='references'></a>

<div class='sourceset sourceset-common'>Common</div>


```kotlin
public expect class SnapshotId
```


The type of `Snapshot.snapshotId`. On most platforms this is a `Long` but may be a different type
if the platform target does not support `Long` efficiently (such as JavaScript).