Framwork/Assets/Scripts/Runtime/Data/NotebookData.cs

using System.Collections.Generic;

namespace HK
{
    public class NotebookData
    {
        public List<NotebookItemData> Datas = new List<NotebookItemData>();
    }

    public class NotebookItemData
    {
        public string color;
        public int count;
    }
}