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Question by ccuser · Apr 30, 2015 at 09:20 AM · serializationclassmonobehaviour

Renaming Serialized Classes

I've followed the format in this post and extend it to classes: http://docs.unity3d.com/460/Documentation/ScriptReference/Serialization.FormerlySerializedAsAttribute.html

It's mentioned in the blog comments that this technique should work for classes as well, though I've failed to get the project compiling after such a rename.

I'm trying to rename a mono behaviour class from 'MUIWidget' to MIUWidgetAgent'.

This is a snippet from the code I used. Any suggestions?

  using UnityEngine;
  using UnityEngine.Serialization;
  using System.Collections;
  
  [RequireComponent(typeof(Agent))]
  
  [System.Serializable]
  [FormerlySerializedAs("MUIWidgetAgent")]
  public class MUIWidgetAgent : MonoBehaviour
  {
  .......
  
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Answer by MetzT · Jul 08, 2019 at 04:10 PM

"FormerlySerializedAs" attribute unfortunately only works for fields. As actually mentioned in the documentation. https://docs.unity3d.com/ScriptReference/Serialization.FormerlySerializedAsAttribute.html "Use this attribute to rename a field without losing its serialized value."

Unity does not provide any alternatives however, there are plugins like Odin which do.

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