sfp_api_laravel_ginastica_cerebro/app/Http/Requests/SettlePayableRequest.php

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class SettlePayableRequest extends FormRequest
{
    public function rules(): array
    {
        return [
            'payment_date' => 'nullable|date',
            'paid_value'   => 'nullable|numeric|min:0',
            'discount'     => 'nullable|numeric|min:0',
            'fine'         => 'nullable|numeric|min:0',
        ];
    }
}