SiteCafe = SiteKiosk.Plugins("SiteCash").Devices("SiteCafeClient"); var gk_before = SiteCafe.Balance; var gk_now; SiteKiosk.Plugins("SiteCash").OnDisplayTextChange = ODTChange; function ODTChange() { gk_now = SiteCafe.Balance; if (gk_now > gk_before) { var gk_diff = gk_now - gk_before; SiteKiosk.Logfile.Notification("Added:" + gk_diff); } gk_before = gk_now; }