# DiffIsValid(AssetList)

> Returns true if starting a Diff task is a valid operation for at least one asset in the given AssetList.

## Definition

* **Type:** Method
* **Namespace:** [UnityEditor.VersionControl](/engine/6000.7/script-reference/unityeditor/versioncontrol.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public static bool DiffIsValid(AssetList assets)
```

### Parameters

**** (\[AssetList]\(/engine/6000.7/script-reference/unityeditor/versioncontrol/assetlist)): List of assets.

### Returns

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

### Remarks

When all of the assets in the list are not added to version control the task will return false, otherwise the result will always be true.

### Examples

```csharp
using System.Collections.Generic;
using UnityEditor;
using UnityEditor.VersionControl;
using UnityEngine;

public class EditorScript : MonoBehaviour
{
    [MenuItem("Version Control/DiffIsValid")]
    public static void ExampleDiffIsValid()
    {
        AssetList assets = new AssetList();
        assets.Add(Provider.GetAssetByPath("Assets/ExampleAsset.cs"));
        Debug.Log(Provider.DiffIsValid(assets));
    }
}
```