public void LoadAd(string adUnitId)
        {
            floatAdPtr = Externs.AtmosplayAdsCreateFloatAd(floatAdClientPtr, appID, adUnitId, isAutoLoad);
            Externs.AtmosplayAdsSetFloatAdCallbacks(
                floatAdPtr,
                floatAdDidReceivedAdCallback,
                floatAdDidFailToLoadAdWithErrorCallback,
                floatAdDidStartPlayingCallback,
                floatAdDidClickCallback,
                floatAdDidCompleteCallback,
                floatAdDidCloseCallback,
                floatAdDidRewardedCallback
                );

            Externs.setFloatAdChannelId(floatAdPtr, channelID);
        }