I have a directory structure as shown below

S3 Bucket
 -logs/
  -product1_log.txt
  -product2_log.txt
 -images/
 -products/

There are a couple of directories mentioned above in the S3 bucket, now whenever a new file gets added to the logs folder, I have a lambda function that updates the timestamp in my MongoDB.

Requirement

• Trigger lambda function only when logs folder gets updated, update to other folders should not trigger the lambda

CodePudding user response：

Exact same use case described in the below link.

https://docs.aws.amazon.com/AmazonS3/latest/userguide/notification-how-to-filtering.html