team-webhook.py

import urllib3 
import json
import logging

http = urllib3.PoolManager() 

logger = logging.getLogger()
logger.setLevel(logging.INFO)

def lambda_handler(event, context): 
    url = "" #add your MS teams webhook URL here
    
    message = {
        "text": event['Records'][0]['Sns']['Message']
    }

    encoded_msg = json.dumps(message).encode('utf-8')
    response = http.request('POST', url, body=encoded_msg)

    logger.info('Status Code: {}'.format(response.status))
    logger.info('Response: {}'.format(response.data))