How do I fit TGARCH-X model using ARCHModels.jl

How do I fit a GARCH model with leverage effect as well as additional explanatory variables using ARCHModels.jl library? I can’t find any documentation about this in:

Believe what you are looking for is the Regression option for the meanspec

Ok, I’ll try it. if it works, I’ll compare the result with rugarch package from R