The primary motive for writing this article is to address the common error I repeatedly received while troubleshooting event filters: Invalid filter pattern definition. (Service: AWSLambda; Status Code: 400; Error Code: InvalidParameterValueException For my case, the goal was to invoke an AWS Lambda function via a DynamoDB stream. What are Lambda Event Filters Lambda event filters allow developers to specify which types of records from a stream or queue are submitted to a Lambda.
