Datahandler.cs

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

public class Datahandler : MonoBehaviour
{
   public GameObject furniture;
   private static Datahandler instance;
   public static Datahandler Instance
   {
       get
       {
           if(instance == null)
           {
               instance = FindObjectOfType<Datahandler>();
           }
           return instance;
       }
    }
}