Cetaklabel/Entities/Approval.php

<?php

    namespace Modules\Cetaklabel\Entities;

    class Approval extends BaseModel
    {
        protected $fillable = [
            'method',
            'menu',
            'new_request',
            'old_request',
            'description',
            'status',
            'approved_at',
            'created_by',
            'updated_by',
            'deleted_by',
            'approved_by',
        ];

        public function user()
        {
            return $this->belongsTo(User::class, 'created_by');
        }
    }