RWXML language server is a vscode extension that provides autocomplete, validation, reference check, etc.
it works on dynamic analysis, so it should work for any mod.
install: you can install via vscode extension
or visual studio marketplace: https://marketplace.visualstudio.com/items?itemName=madeline.rwxml-lang-serv
please check github page for detailed information
github: https://github.com/zzzz465/rwxml-language-server
contact: discord Madeline#1941