rimworld-animation-studio/Assets/Scripts/AnimationComponents/KeyFrames/Keyframe.cs

using System.Collections.Generic;
using System.Xml;
using System.Xml.Serialization;

namespace RimWorldAnimationStudio
{
    public class Keyframe
    {
        public int? atTick;

        public int tickDuration = 1;    
        public string soundEffect;
        public List<string> tags = new List<string>();

        public bool ShouldSerializeatTick() { return atTick != null; }
        public bool ShouldSerializetags() { return tags.NotNullOrEmpty(); }
    }
}