sfp_api_laravel_ginastica_cerebro/app/Http/Requests/UnitContractRequest.php

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class UnitContractRequest extends FormRequest
{
    public function rules(): array
    {
        return [
            'unit_id' => 'required|integer|exists:units,id',
            'file'    => 'required|file|mimes:pdf|max:10240',
            'name'    => 'nullable|string|max:255',
        ];
    }

    /**
    * Add custom messages when needed
    * public function messages(): array
    * {
    *   return [
    *        'field.required' => __('message.algo'),
    *    ];
    * }
    */
}