AssetDatabase.RenameAsset

static function RenameAsset(pathName: string, newName: string): string;

static string RenameAsset(string pathName, string newName);

static def RenameAsset(pathName as string, newName as string) as string

Parameters

pathName	The path where the asset currently resides.
newName	The new name which should be given to the asset.

string An empty string, if the asset has been successfully renamed, otherwise an error message.

Rename an asset file.

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