---
title: UnregisterValueChangedCallback<T>(INotifyValueChanged<T>, EventCallback<ChangeEvent<T>>)
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/uielements/inotifyvaluechangedextensions/unregistervaluechangedcallback
latest_url: https://docs.unity.com/en-us/engine/7000.0/script-reference/unityengine/uielements/inotifyvaluechangedextensions/unregistervaluechangedcallback.md
last_updated: 2026-10-07
generated_at: 2026-11-11T06:22:14.274Z
locale: en-us
---

# UnregisterValueChangedCallback<T>(INotifyValueChanged<T>, EventCallback<ChangeEvent<T>>)

> Unregisters this callback from receiving ChangeEvent<T> when the value is changed.

## Definition

* **Type:** Method
* **Namespace:** [UnityEngine.UIElements](/engine/7000.0/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public static bool UnregisterValueChangedCallback<T>(this INotifyValueChanged<T> control, EventCallback<ChangeEvent<T>> callback)
```

### Parameters

**** (\[INotifyValueChanged\<T>]\(/engine/7000.0/script-reference/unityengine/uielements/inotifyvaluechanged1)): **** (\[EventCallback\<ChangeEvent\<T>>]\(/engine/7000.0/script-reference/unityengine/uielements/eventcallback)):&#x20;

### Returns

| Type                                                          | Description |
| ------------------------------------------------------------- | ----------- |
| [bool](https://learn.microsoft.com/dotnet/api/system.boolean) |             |