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kloudformation

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Attributes

If a resource has attributes associated to it then in CloudFormation you would use Fn::GetAtt listing the resource and the attribute you wanted.

Info on Fn::GetAtt from AWS can be found here

In KloudFormation all attributes are provided as functions on the resource.

val securityGroup = securityGroup(+"Description")
outputs(
        "GroupId" to Output(securityGroup.GroupId()), // GroupId is an Attribute
        "VpcId" to Output(securityGroup.VpcId()) // VpcId is an Attribute
)

Produces

Resources:
  SecurityGroup:
    Type: "AWS::EC2::SecurityGroup"
    Properties:
      GroupDescription: "Description"
Outputs:
  GroupId:
    Value:
      Fn::GetAtt:
      - "SecurityGroup"
      - "GroupId"
  VpcId:
    Value:
      Fn::GetAtt:
      - "SecurityGroup"
      - "VpcId"

You can also create an instance of Att as follows:

Att<String>(securityGroup.logicalName,+"VpcId")