Singleton Scriptable Object (Unity)

ScriptableObjectSingleton.cs

using UnityEngine;

// Singleton Scriptable Object 
// Rename "OptionsSO" to something more appropriate
public class OptionsSO : ScriptableObject
{
    // Scriptable Object Data 
    public enum Difficulty { Easy, Medium, Hard };
    public Difficulty difficulty = Difficulty.Easy;

    //  Callbacks 
    private void OnEnable()
    {
    }

    private void OnDisable()
    {
    }

    private void OnDestroy()
    {
    }

    // Singleton pattern
    private static OptionsSO _inst;
    public static OptionsSO Instance
    {
        get
        {
            if (!_inst)
                _inst = FindObjectOfType<OptionsSO>();
            if (!_inst)
            {
                _inst = CreateInstance<OptionsSO>();
                _inst.hideFlags = HideFlags.DontUnloadUnusedAsset;
            }
             
            return _inst;
        }
    }
}