stagfe2/app/Models/HrSection.php

<?php

namespace App\Models;

# use Illuminate\Database\Eloquent\Model;

class HrSection extends Model
{
    protected $table = 'hr_section';

    public function pro()
    {
        return $this->hasOne(Pro::class, 'id', 'pro_id');
    }

    public function changes() {
        return $this->hasMany(HrSectionChange::class, 'hr_section_id')->orderBy('created_at', 'DESC');
    }
}