Version: 2019.2

FormerlySerializedAsAttribute

class in UnityEngine.Serialization

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Description

Use this attribute to rename a field without losing its serialized value.

Suppose you have a class like this:

using UnityEngine;

public class MyClass : MonoBehaviour { public string myValue; }

And you would like to create a property to encapsulate myValue without losing any data already assigned to instances of MyClass. You can achieve that by using this attribute:

using UnityEngine;
using UnityEngine.Serialization;

public class MyClass : MonoBehaviour { [FormerlySerializedAs("myValue")] string m_MyValue; public string myValue { get { return m_MyValue; } set { m_MyValue = value; } } }

Variables

oldNameThe name of the field before the rename.
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