AWSTemplateFormatVersion: '2010-09-09'
Description: Demo stack, creates one SSM parameter and gets deleted after 5 minutes.
Resources:
  DemoParameter:
    Type: "AWS::SSM::Parameter"
    Properties:
      Type: "String"
      Value: "date"
      Description: "SSM Parameter for running date command."
      AllowedPattern: "^[a-zA-Z]{1,10}$"
  DeleteAfterTTLStack:
    Type: "AWS::CloudFormation::Stack"
    Properties:
      TemplateURL: 'https://aws-quickstart.s3.amazonaws.com/quickstart-examples/samples/cloudformation-stack-ttl/templates/cloudformation-stack-ttl.yaml'
      Parameters:
        StackName: !Ref 'AWS::StackName'
        TTL: '5'