AWSTemplateFormatVersion: '2010-09-09' Description: Demo stack, creates one SSM parameter. Parameters: ParamValue: Type: String Description: The value to store in the SSM parameter. Resources: DemoParameter: Type: "AWS::SSM::Parameter" Properties: Type: "String" Value: !Ref ParamValue Description: "SSM Parameter for storing user input." Outputs: DemoParameter: Description: The name of the demo parameter. Value: !Ref DemoParameter