CI4 Modules Routing

Hello, I'm new at CI4, but I used CI3.

I wanted to work with modules at CI4. A tutorial on Youtube helped to set everything necessary. The problem now is that the methods and variables are not recognized by the controller.

This message always comes:
Controller or its method is not found: App\Controllers\Users:how

Users is a controller in the Users module and show is the method. The URL is http://ocanext:8888/users/show/2

If I create a controller under App/Controllers, everything works without problems.

Where is the mistake?

Can you show how do you call the model?

<?php namespace Modules\Users\Controllers;

//use CodeIgniter\Controller;
//use CodeIgniter\API\ResponseTrait;

class Users extends \CodeIgniter\Controller {

//use ResponseTrait;

public function index() {
//return $this->respond([[1],[2]]);
echo 'testme';
}

public function show() {
//return $this->respond($id);
echo '$id';
}

public function create($id) {
echo $id;
}

public function update($id) {
echo $id;
}

public function delete($id) {
echo $id;
}

}