KCI-CAMPAIGN-TRACKER/app/Models/Campaign.php

<?php

declare(strict_types=1);

namespace App\Models;

class Campaign
{
    public ?int $id = null;
    public int $campaignTypeId = 0;

    /**
     * Key → value pairs matching the parent campaign type's attribute names.
     * @var array<string, string>
     */
    public array $attributeValues = [];

    public ?string $createdAt = null;
    public ?string $updatedAt = null;
}