rewardedAd.OnPaidEvent += RewardedAd_OnPaidEvent;

void RewardedAd_OnPaidEvent(double ecpm)
{
    var revenue = ecpm / 1000f;
    var adPlatform = "AD(X)";
    var adUnitName = "ADX Rewarded Ad";
    var adFormat = "RewardedAd";
    var currency = "USD";

    AirbridgeEvent @event = new AirbridgeEvent("airbridge.adImpression");

    var adx = new Dictionary<string, object>();
    adx["ad_platform"] = adPlatform;
    adx["ad_unit_name"] = adUnitName;
    adx["ad_format"] = adFormat;
    adx["value"] = revenue;
    adx["currency"] = currency;

    var adPartners = new Dictionary<string, object>();
    adPartners["adx"] = adx;

    @event.SetAction(adUnitName);
    @event.SetLabel(adFormat);
    @event.SetValue(revenue);
    @event.AddSemanticAttribute("adPartners", adPartners);
    @event.AddSemanticAttribute("currency", currency);

    AirbridgeUnity.TrackEvent(@event);
}