Hi, XML is not used at all in MyDMX 3, where did you get XML from?
you should use the built in library as much as you can, if you can't find something there you can go here:
https://www.dropbox.com/sh/4ns...4GYGRcZ8P0yPzca?dl=0
or here: https://store.nicolaudie.com/ssl (just make sure you download .ssl2)