try thisPromise PolyfillThis extension has no configuration. When installed it will make the Promise API available globally once the Launch library has loaded. This will allow you to use the Promise API inside Custom Code blocks or with any external code outside of your Launch library.You can find more information about Promises here:https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promisehttps://developers.google.com/web/fundamentals/primers/promiseshttps://mediu...