After importing the explainX library, call the explainX modules function and pass in your xtest, y_test and model.
You don't need to pass in your model name as explainX is smart to automatically find your model name, type and what problem you're solving i.e. classification or regression.
$ explainx_modules(x_test, y_test, model)
Modules are generated automatically. You do not need to pass in any parameters - just need to initiate the main explain