def set_param(self, into, name):
        value, complex = self.getlist(name)
        if value is not None:
            into[name] = value
        return complex
Can query is based on the list element type.
dataset/ETHPy150Open heigeo/climata/climata/base.py/WebserviceLoader.set_param--crossover with--dataset/ETHPy150Open jahlborn/appengine-rest-server/src/main/python/rest/__init__.py/ListHandler.can_query