# RenameAsset(string, string)

> Rename an asset file.

## Definition

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

```csharp
public static string RenameAsset(string pathName, string newName)
```

### Parameters

**** (\[string]\(https\://learn.microsoft.com/dotnet/api/system.string)): The path where the asset currently resides.**** (\[string]\(https\://learn.microsoft.com/dotnet/api/system.string)): The new name which should be given to the asset.

### Returns

| Type                                                           | Description                                                                              |
| -------------------------------------------------------------- | ---------------------------------------------------------------------------------------- |
| [string](https://learn.microsoft.com/dotnet/api/system.string) | An empty string, if the asset has been successfully renamed, otherwise an error message. |

### Remarks

All paths are relative to the project folder, for example: "Assets/MyTextures/hello.png".

### Examples

```csharp
using UnityEngine;
using UnityEditor;

public class AssetDatabaseExamples : MonoBehaviour
{
    [MenuItem("AssetDatabase/Rename Materials")]
    static void RenameMaterials()
    {
        var matID = 0;
        foreach (var asset in AssetDatabase.FindAssets("t: Material New Material"))
        {
            var path = AssetDatabase.GUIDToAssetPath(asset);
            AssetDatabase.RenameAsset(path, $"ShipMaterial{matID++}");
        }
    }
}
```