The JavaScript code below generates a random number of seven or eight characters.
function generateRandomNumber(lowerExtreme, upperExtreme) { return Math.floor(Math.random() * (upperExtreme - lowerExtreme) + lowerExtreme); } var num = "" + generateRandomNumber(1000000,99999999); $context.result.postMessage($context.result.LEVEL_INFO, "Random rUID: " + num); $prop.set("MessageClip", "rUID", num);