UnityEditor.UsabilityAnalytics.Track C# (CSharp) Method

        public static extern void Track(string page);
    }

        // Open the dialog to allow the user to purchase the asset
        static public AssetStoreInstaBuyWindow ShowAssetStoreInstaBuyWindow(AssetStoreAsset asset, string purchaseMessage, string paymentMethodCard, string paymentMethodExpire, string priceText)
        {
            AssetStoreInstaBuyWindow w = EditorWindow.GetWindowWithRect <AssetStoreInstaBuyWindow>(new Rect(100, 100, 400, kStandardHeight), true, "Buy package from Asset Store");

            if (w.m_Purchasing != PurchaseStatus.Init)
            {
                EditorUtility.DisplayDialog("Download in progress", "There is already a package download in progress. You can only have one download running at a time", "Close");
                return(w);
            }

            w.position = new Rect(100, 100, 400, kStandardHeight);
            w.m_Parent.window.m_DontSaveToLayout = true;
            w.m_Asset      = asset;
            w.m_Password   = "";
            w.m_Message    = "";
            w.m_Purchasing = PurchaseStatus.Init;
            w.m_NextAllowedBuildRequestTime = 0.0;
            w.m_BuildAttempts = 0;

            w.m_PurchaseMessage     = purchaseMessage;
            w.m_PaymentMethodCard   = paymentMethodCard;
            w.m_PaymentMethodExpire = paymentMethodExpire;
            w.m_PriceText           = priceText;
            UsabilityAnalytics.Track(string.Format("/AssetStore/ShowInstaBuy/{0}/{1}", w.m_Asset.packageID, w.m_Asset.id));
            return(w);
        }