---
title: instanceID
product: Unity Editor
version: '7000.0'
latest_version: '7000.0'
status: This page documents version 7000.0. The latest version is 7000.0.
canonical: https://docs.unity.com/en-us/engine/7000.0/script-reference/unityengine/experimental/globalillumination/rectanglelight/instanceid
latest_url: https://docs.unity.com/en-us/engine/7000.0/script-reference/unityengine/experimental/globalillumination/rectanglelight/instanceid.md
last_updated: 2026-10-07
generated_at: 2026-11-11T12:56:53.804Z
locale: en-us
---

# instanceID

> The light's instanceID.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.Experimental.GlobalIllumination](/engine/7000.0/script-reference/unityengine/experimental/globalillumination.md)
* **Assembly:** UnityEngine.CoreModule

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

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