private function withExtra(PusherMessage $message)
    {
        if ($message->getPlatform() == $this->platform) {
            throw CouldNotCreateMessage::platformConflict($this->platform);
        }

        $this->extraMessage = $message;
    }
private function withExtra(PusherMessage $message)
    {
        if ($message->getPlatform() == $this->platform) {
            throw CouldNotCreateMessage::platformConflict($this->platform);
        }

        $this->extraMessage = $message;
    }
private function withExtra ( PusherMessage $ message ) { if ( $ message -> getPlatform ( ) == $ this -> platform ) { throw CouldNotCreateMessage :: platformConflict ( $ this -> platform ) ; } $ this -> extraMessage = $ message ; }
Set an extra message to be sent to another platform.

@param \NotificationChannels\PusherPushNotifications\PusherMessage $message
@return void
Set an extra message to be sent to another platform .