thanks @TJ Tyrrell- that first link isn't useful but the second one is where it lists them as part of the XML reference. Interestingly, even though this one shows a date newer than the one you linked, it also says 2018.2 🤷‍♂️ https://3916530-sb3.app.netsuite.com/help/helpcenter/en_US/PDF/suiteclouddevelopmentframework.pdf