Amazon Monitron is no longer open to new customers. Existing customers can
continue to use the service as normal. For capabilities similar to Amazon
Monitron, see our blog post
Creating a service-linked role for Amazon Monitron
You don't need to manually create a service-linked role. When you enable a feature requiring your permissions to call other AWS services on your behalf in Amazon Monitron in the AWS Management Console, Amazon Monitron creates the service-linked role for you.