DealProductReserveRule.php

<?php
 
namespace Bitrix\Catalog\Access\Rule;
 
use \Bitrix\Catalog\Access\Permission\PermissionDictionary;
 
class DealProductReserveRule extends VariableRule
{
    protected function loadAvailableValues(): array
    {
        return array_column(PermissionDictionary::getDealCategoryVariables(), 'id');
    }
}