def on_add(self):
        pass
Set these variables from the MODFLOW model, if it exists
dataset/ETHPy150Open CenterForOpenScience/osf.io/website/addons/base/__init__.py/AddonSettingsBase.on_add--crossover with--dataset/ETHPy150Open modflowpy/flopy/flopy/mt3d/mtbtn.py/Mt3dBtn.setmodflowvars