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

<?php

declare(strict_types=1);

namespace App\Models;

class Customer
{
    public ?int $id = null;
    public int $customerTypeId = 0;

    /** @var array<string, string> */
    public array $attributeValues = [];

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