'Return all parameters that are dynamically generated
select lists whose options refer to a  missing .loc file.'

@property
def params_with_missing_index_file(self):

    params = []
    for input_param in self.input_params:
        if (isinstance(input_param, SelectToolParameter) and input_param.is_dynamic):
            options = input_param.options
            if (options and options.missing_index_file and (input_param not in params)):
                params.append(input_param)
    return params
