Enable Lambda function to an S3 bucket using cloudformation

Question

We are creating an S3 bucket using a CloudFormation template. I would like to associate (Add an event to S3 bucket) a Lambda function whenever a file is added to the S3 bucket.

Answer 1

i have added below bucket perm along with notificationconfiguration in cloudformation which is used to create S3 bucket..it worked !!

"bucketperm": {
            "Type": "AWS::Lambda::Permission",
            "Properties": {
                "Action": "lambda:invokeFunction",
                "FunctionName": "",
                "Principal": "s3.amazonaws.com"
            }
}