# timestamp

> Indicates when the search index was last modified.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor.Search](/engine/6000.7/script-reference/unityeditor/search.md)
* **Assembly:** UnityEditor

```csharp
public long timestamp { get; }
```

### Remarks

In example, this timestamp is used with the [SearchMonitor.GetDiff](/engine/6000.7/script-reference/unityeditor/search/searchmonitor/getdiff.md) function to gather all the changes that happened since the last time this index was modified.