SATE-EasyReceipt/app/Http/Controllers/Web/Auth/ChangeContractParam.php

<?php

namespace App\Http\Controllers\Web\Auth;

use App\Http\Controllers\Web\BaseParam;
use App\Models\User;

/**
 * @property ?string $contractId
 */
class ChangeContractParam extends BaseParam
{
    public function rules(): array
    {
        return [
            User::COL_NAME_CONTRACT_ID => $this->str(true),
        ];
    }
}