'Assigns the named QoS policy-group to a file.'

def file_assign_qos(self, flex_vol, qos_policy_group_name, file_path):

    api_args = {'volume': flex_vol, 'qos-policy-group-name': qos_policy_group_name, 'file': file_path, 'vserver': self.vserver}
    return self.send_request('file-assign-qos', api_args, False)
