How to trigger the lambda function only for INSERT event in dynamodb stream?

Question

How to trigger the lambda function only for INSERT event in dynamodb stream?

To reduce the cost of the lambda function, is it possible to trigger the lambda function based on the type of operation

1. INSERT - insert_lambda_function
2. MODIFY - update_lambda_function
3. REMOVE - delete_lambda_function

Answer 1

No, this is not currently possible.