var id = setInterval(function () {          // this code is executed every 100 milliseconds:
                var p = engine.getCurrentPayout();
                if (p >= trigger) {
                    engine.cashOut(true);
                    cashedOut = true;
                    clearInterval(id);                  // ends loop after cashout attempt
                }
                if (p == null) { clearInterval(id); }       // ends loop if still running when game ends
                if (cashedOut) { clearInterval(id); }       // ends loop if cashed out by another method
            }, 100);                                // execution interval, in milliseconds