# getEntityIdsForAuthoringObject

> The user-defined callback that Unity uses to retrieve the DOTS Entity IDs associated with a Unity Object.

## Definition

* **Type:** Event
* **Namespace:** [UnityEditor](/engine/6000.3/script-reference/unityeditor.md)
* **Assembly:** UnityEditor

```csharp
public static event Func<Object, IEnumerable<EntityId>> getEntityIdsForAuthoringObject
```