ldc-wenn-dann-mit-respekt/app/Http/Controllers/GroupController.php

<?php

namespace App\Http\Controllers;

use App\Retailgroup;

class GroupController extends Controller
{
    /**
     * RetailGroup Show
     *
     * @param integer $id
     * @return \App\Retailgroup
     */
    public function show(int $id)
    {
        return Retailgroup::find($id);
    }
}