using System.Collections.Generic;
using UnityEngine;
using UnityEditor;

namespace NodeEditorWindow
{

[CreateAssetMenu]
public class LevelFlowData : BaseNodeEditorData<BaseLevelNode, LevelFlowEditorAttributes>
{
    private const string MENU_ITEM_PATH = "Create / ScriptableObjects / LevelFlowData";
    private const string NEW_ASSET_PATH = "ScriptableObjects / Level Flow Data";

    [SerializeField] private string _name;

    /// <summary>Gets and Sets name property.</summary>
    public string name
    {
        get { return _name; }
        set { _name = value; }
    }

    [MenuItem(MENU_ITEM_PATH)]
    public static void CreateAsset()
    {
        LevelFlowData scriptableObject = ScriptableObject.CreateInstance<LevelFlowData>() as LevelFlowData;
        AssetDatabase.CreateAsset(scriptableObject, AssetDatabase.GenerateUniqueAssetPath(NEW_ASSET_PATH));
    }
}

}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using GameData;
using NodeEditorWindow; //HERE I AM USINGTHE OTHER CLASS'S NAMESPACE

public class LevelController : Singleton<LevelController>
{
    [Header("Level Data:")]
    [SerializeField] private LevelFlowData levelFlowData;
}