AssetDatabase.ValidateMoveAsset
static function ValidateMoveAsset(oldPath: string, newPath: string): string;
static string ValidateMoveAsset(string oldPath, string newPath);
static def ValidateMoveAsset(oldPath as string, newPath as string) as string
Parameters

oldPath The path where the asset currently resides.
newPath The path which the asset should be moved to.
Returns
string An empty string if the asset can be moved, otherwise an error message.
Description

Checks if an asset file can be moved from one folder to another. (Without actually moving the file).

All paths are relative to the project folder, for example: "AssetsMyTextureshello.png".

See Also: AssetDatabase.MoveAsset.