Amazon CodeCatalyst is no longer open to new customers. Existing customers can continue to use the service as normal. For more information, see [How to migrate from CodeCatalyst](migration.md).

# 'AWS CDK bootstrap' variables
<a name="cdk-boot-action-variables"></a>

The **AWS CDK bootstrap** action produces and sets the following variables at run time. These are known as *predefined variables*.

For information about referencing these variables in a workflow, see [Using predefined variables](workflows-using-predefined-variables.md).


| Key | Value | 
| --- | --- | 
| deployment-platform | The name of the deployment platform.<br />Hardcoded to `AWS:CloudFormation`. | 
| region | The region code of the AWS Region that the AWS CDK bootstrap stack was deployed to during the workflow run.<br />Example: `us-west-2` | 
| stack-id | The Amazon Resource Name (ARN) of the deployed AWS CDK bootstrap stack.<br />Example: `arn:aws:cloudformation:us-west-2:111122223333:stack/codecatalyst-cdk-bootstrap-stack/6aad4380-100a-11ec-a10a-03b8a84d40df` | 
| SKIP-DEPLOYMENT | A value of `true` indicates that deployment of your AWS CDK bootstrap stack was skipped during the workflow run. A stack deployment will be skipped if there is no change in the stack since the last deployment.<br />This variable is only produced if its value is `true`.<br />Hardcoded to `true`. |