protected function initNavigation()
    {
        Yii::$app->params['nav']['wavecms_form'] = [
            'label' => FontAwesome::icon('paper-plane') . Yii::t('wavecms_form/main', 'Forms'),
            'url' => 'javascript: ;',
            'options' => [
                'class' => 'drop-down'
            ],
            'permission' => 'wavecms-form',
            'position' => 5000,
            'items' => [
                [
                    'label' => FontAwesome::icon('ellipsis-h') . Yii::t('wavecms_form/main', 'Contact form'),
                    'url' => ['/wavecms-form/contact/index'],
                    'items' => [

                    ]
                ],
                [
                    'label' => FontAwesome::icon('ellipsis-h') . Yii::t('wavecms_form/main', 'Contact form - Settings'),
                    'url' => ['/wavecms-form/contact-settings/page']
                ]

            ]
        ];
    }