surveyor_indonesia_backend/app/Models/HierarchyFtth.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class HierarchyFtth extends Model
{
  protected $table = "m_hierarchy_ftth";

  const CREATED_AT = 'created_at';
  const UPDATED_AT = 'updated_at';

  protected $fillable = [
    'name', 'parent_id', 'project_id', 'created_at', 'updated_at'
  ];
}