AssetPostprocessor.OnPostprocessAssetbundleNameChanged(string, string, string)

Description

Handler called when asset is assigned to a different asset bundle.

Add this function in a subclass to get a notification after the assetBundle name for the asset changes.

using UnityEngine;
using UnityEditor;

public class MyAllPostprocessor : AssetPostprocessor
{
    public void OnPostprocessAssetbundleNameChanged(string assetPath, string previousAssetBundleName, string newAssetBundleName)
    {
        Debug.Log("Asset " + assetPath + " has been moved from assetBundle " + previousAssetBundleName + " to assetBundle " + newAssetBundleName + ".");
    }
}