'payment' => [
            'class' => 'paymentModule',
            'components' => [
                'paymentApi' => [
                    'class' => 'paymentapiPaymentApi',
                    'type' => 'TEST',
                    'token' => 'sdvdsfvdfsv23142',

                ],
            ],
        ],

Yii::$app->getModule('settings')->api->get('name', $default)