ldc-supportweb/app/Http/Controllers/UserController.php

<?php

namespace App\Http\Controllers;

use App\Models\User;
use Illuminate\Database\Eloquent\Model;

class UserController extends CrudController
{

    /** @var User */
    protected static $modelClass = User::class;

    public function storedModel(Model &$model)
    {
        /** @var \App\Models\User */
        $model = $model;
        $model->sendMailConfirm();
    }
}