# CollectionsChanged

> Occurs when the set of table collections in the project changes.

## Definition

* **Type:** Event
* **Namespace:** [Unity.Localization.Editor](/engine/6000.7/script-reference/unity/localization/editor.md)
* **Assembly:** UnityEditor

```csharp
[AutoStaticsCleanup]
public static event Action CollectionsChanged
```

### Remarks

Raised after a [ResourceTableCollection](/engine/6000.7/script-reference/unity/localization/editor/resourcetablecollection.md) is created, imported, or deleted so editor UI can refresh.