import boto3 import json def lambda_handler(event, context): # i want to know that event thing print(event) # extract relevant information from the s3 event trigger bucket_name = event['Records'][0]['s3']['bucket']['name'] object_key = event['Records'][0]['s3']['object']['key'] # perform desired operations with the uploaded file print(f"File '{object_key}' was uploaded to bucket '{bucket_name}'") # example: send a notification via SNS sns_client = boto3.client('sns') topic_arn = 'arn:aws:sns:us-east-1::s3-lambda-sns' sns_client.publish( TopicArn=topic_arn, Subject='s3 object created !!', Message=f"File '{object_key}' was uploaded to bucket '{bucket_name}'" ) # Example: Trigger another Lambda function # lambda_client = boto3.client('lambda') # target_function_name = 'my-another-lambda-function' # lambda_client.invoke( # FunctionName=target_function_name, # InvocationType='Event', # Payload=json.dumps({'bucket_name': bucket_name, 'object_key': object_key}) # ) # in case of queuing and other objectives similar to the Netflix flow of triggering return { 'statusCode': 200, 'body': json.dumps("Lambda function executed successfully !!") }