def append(self, val):
    
        pass
values appended to the OptionVarList with this method will be added to the Maya optionVar at the key denoted by self.key.
dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.5/extras/completion/py/pymel/core/language.py/OptionVarList.append