winter/modules/backend/controllers/UserGroups.php

<?php namespace Backend\Controllers;

use BackendMenu;
use BackendAuth;
use Backend\Classes\Controller;
use System\Classes\SettingsManager;

/**
 * Backend user groups controller
 *
 * @package october\backend
 * @author Alexey Bobkov, Samuel Georges
 *
 */
class UserGroups extends Controller
{
    public $implement = [
        'Backend.Behaviors.FormController',
        'Backend.Behaviors.ListController'
    ];

    public $formConfig = 'config_form.yaml';
    public $listConfig = 'config_list.yaml';

    public $requiredPermissions = ['backend.manage_users'];

    public function __construct()
    {
        parent::__construct();

        BackendMenu::setContext('October.System', 'system', 'users');
        SettingsManager::setContext('October.System', 'administrators');
    }
}