$this->loadComponent('Auth', [
        'authenticate' => [
            'Form' => [

                'userModel' => 'Gestionnaires',
                'fields' => ['username' => 'email', 'password' => 'password']
            ]
        ],
        'loginAction' => [
                'controller' => 'etudes',
                'action' => 'index'
            ],
            'loginRedirect' => [
                'controller' => 'etudes',
                'action' => 'index'
            ],
            'logoutRedirect' => [
                'controller' => 'gestionnaires',
                'action' => 'login'

            ]
        ]);