private function cleanConfigParams()
    {
        /**
         * Add the params you want to be removed from the push notification
         */
        $paramsToBeRemoved = ['apiKey'];

        return array_filter($this->config, function ($key) use ($paramsToBeRemoved) {
            return !in_array($key, $paramsToBeRemoved);
        }, ARRAY_FILTER_USE_KEY);
    }
private function cleanConfigParams()
    {
        /**
         * Add the params you want to be removed from the push notification
         */
        $paramsToBeRemoved = ['apiKey'];

        return array_filter($this->config, function ($key) use ($paramsToBeRemoved) {
            return !in_array($key, $paramsToBeRemoved);
        }, ARRAY_FILTER_USE_KEY);
    }
private function cleanConfigParams ( ) { /**
         * Add the params you want to be removed from the push notification
         */ $ paramsToBeRemoved = [ 'apiKey' ] ; return array_filter ( $ this -> config , function ( $ key ) use ( $ paramsToBeRemoved ) { return ! in_array ( $ key , $ paramsToBeRemoved ) ; } , ARRAY_FILTER_USE_KEY ) ; }
Clean the config params from unnecessary params no to make the notification too heavy.

@return array
Clean the config params from unnecessary params no to make the notification too heavy .