# instanceID

> The light's instanceID.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.Experimental.GlobalIllumination](/engine/6000.5/script-reference/unityengine/experimental/globalillumination.md)
* **Assembly:** UnityEngine.CoreModule

> **Warning:**
>
> **Removed.** Please use entityId instead.

```csharp
public int instanceID { get; set; }
```