'Retrieves settings for the trail associated with the current
region for your account.
:type trail_name_list: list
:param trail_name_list: The trail returned.'

def describe_trails(self, trail_name_list=None):

    params = {}
    if (trail_name_list is not None):
        params['trailNameList'] = trail_name_list
    return self.make_request(action='DescribeTrails', body=json.dumps(params))
