misc_pterodactyl-panel/app/Http/Requests/Api/Application/Databases/DatabaseNodesRequest.php

<?php

namespace Pterodactyl\Http\Requests\Api\Application\Databases;

use Pterodactyl\Services\Acl\Api\AdminAcl;
use Pterodactyl\Http\Requests\Api\Application\ApplicationApiRequest;

class DatabaseNodesRequest extends ApplicationApiRequest
{
    protected string $resource = AdminAcl::RESOURCE_DATABASE_HOSTS;
    protected int $permission = AdminAcl::WRITE;

    public function rules(array $rules = null): array
    {
        return $rules ?? ['nodes' => 'required|exists:nodes,id'];
    }
}