riversong-code-showcase/Source/Engine/Core/Attributes/GameSystemGroupAttribute.cs

using System;

namespace DanieleMarotta.RiversongCodeShowcase
{
    [AttributeUsage(AttributeTargets.Class)]
    public class GameSystemGroupAttribute : Attribute
    {
        public GameSystemGroupAttribute(Type systemGroupType)
        {
            SystemGroupType = systemGroupType;
        }

        public Type SystemGroupType { get; set; }
    }
}