LaboratoryProtection/Assets/OtherPackage/DefaultPlayables/ScreenFader/ScreenFaderBehaviour.cs

using System;
using UnityEngine;
using UnityEngine.Playables;
using UnityEngine.Timeline;
using UnityEngine.UI;

[Serializable]
public class ScreenFaderBehaviour : PlayableBehaviour
{
    public Color color = Color.black;
}