AWS SAM for setting up Amazon Connect WhatsApp Campaign.

Here's a complete AWS SAM template for a WhatsApp outbound campaign solution with Amazon Connect:

Now, let's create the Step Functions state machine definition:

Now, let's implement the key Lambda functions:

Now, let's implement the WhatsApp message sender function:

Now, let's implement the WhatsApp webhook handler:

Finally, let's implement the campaign executor function:

Create a README.md file with deployment instructions:

This completes the AWS SAM template and implementation for a WhatsApp outbound campaign solution with Amazon Connect. The solution leverages Amazon Connect's built-in campaign metrics and dashboard capabilities, eliminating the need for custom metrics storage in DynamoDB.

The implementation includes:

This approach provides a streamlined solution that takes advantage of Amazon Connect's robust campaign management and reporting capabilities while extending them to support WhatsApp as a communication channel.