AWS Systems Manager enhances support for State Manager resources in AWS CloudFormation
You can now use recently launched State Manager features through AWS CloudFormation, with support for all State Manager CLI and SDK operations, such as rate control. State Manager, a feature of AWS Systems Manager, is used to define, enforce, and report on desired state configuration compliance for your infrastructure. This integration provides additional safety, control, and flexibility when deploying desired state configurations with AWS CloudFormation.
Source:: Amazon AWS