HierarchyDividerEditor.cs

using UnityEditor;
using UnityEngine;

/// <summary>
/// This is a simple Editor Tool to create a divider for the Editor Hierarchy.
/// You can do this using ALT + D Keys
/// You can also go to Tools -> Hierarchy Divider  
/// </summary>
public class HierarchyDividerEditor : ScriptableWizard
{
    public string sectionName = "New Divider";
    
    [MenuItem("Tools/Hierarchy Divider/Create Hierarchy Divider Wizard #&d")]
    static void SelectAllOfTagWizard()
    {
        DisplayWizard<HierarchyDividerEditor>("Create Divider", "Create", "Apply");
    }

    void OnWizardCreate()
    {
        Init();
        
        GameObject go = new GameObject
        {
            name = $"-----{sectionName}-----"
        };
                
        go.tag = "EditorOnly";
        go.SetActive(false);
        
    }
    
    private void OnWizardOtherButton()
    {
        PlayerPrefs.SetString("HD_DEFAULT", sectionName);
    }
    
    [MenuItem("Tools/Hierarchy Divider/Create Divider &d")]
    static void CreateDivider()
    {
        var prefName = PlayerPrefs.GetString("HD_DEFAULT");

        var final = prefName == string.Empty ? "New Divider" : prefName;
        
        GameObject go = new GameObject
        {
            name = $"-----{final}-----"
        };
        
        go.tag = "EditorOnly";
        go.SetActive(false);
    }


    private void Init()
    {
        var def = PlayerPrefs.GetString("HD_DEFAULT");
        if (def != null)
        {
            sectionName = def;
        }
        
    }

}