How to add aws shield to a route 53 via cloudformation?

Question

adding a custom domain name to an api gateway via cloudformation. see template below, resource include hosted zone, ssl certificate ... is it possible to aws shield to route 53 .

 route53HostedZone:
    Type: AWS::Route53::HostedZone
    Properties:
      HostedZoneName: !Ref Domain
      ....
 cert:
    Type: AWS::CertificateManager::Certificate
    Properties: 
      DomainName: !Ref Domain
      ValidationMethod: DNS
 Alias:
    Type: AWS::Route53::Recordset
    Properties:
      Type: A
      Name: !Ref Domain
      AliasTarget:
        DNSName: !GetAtt ApiConfig
      ...
 ApiConfig:
    Type: AWS::ApiGateway::DomainName
    Properties:
      RegionalCertificateArn:
        Ref: cert
      DomainName:
        Ref: !Ref Domain
 ....
 

Answer 1

Shield Standard is enabled by dafeult and you don't have to do anything to use it in your CFN. From docs:

All AWS customers benefit from the automatic protections of AWS Shield Standard, at no additional charge.