How to change element list name on inspector like "item_name ID:0"

How can i change element list name on inspector like "item_name ID:0"
i know how to change element name but just want add something like ID item by index Arrary Element on inspector
just want a sample what should i script PropertyDrawer or Editor and how it work ?

here this script variable

Code (CSharp):

1. using System.Collections;
2. using System.Collections.Generic;
3. using UnityEngine;
4.  
5.  
6. public class ItemDatabase : MonoBehaviour {
7.  
8.     public ItemDatabaseElement[] itemdata = new ItemDatabaseElement[5];
9. }
10.  
11.  
12. [System.Serializable]
13. public class ItemDatabaseElement{
14.     public string ItemName = "";
15.     public Sprite ItemSprite;
16.     [TextArea(3,10)]
17.     public string ItemDetail = "";
18.     public int ItemPrice = 0;
19.     public bool Useable=false;
20.     public bool Consumable=false;
21.     public float CoolDown=1.0f;
22.     public int MaxPerStack = 99;
23.  
24.  
25.     public SelectionType ItemType;
26.  
27.     public GameObject EffectOnUse;
28.  
29. }
30.  
31. public enum SelectionType { food, consumable, ammo, tool, seed, metarial, ect }
32.  

thank you for your help.