**To test an extension** The following ``test-type`` example tests a registered extension to make sure it meets all necessary requirements for being published in the CloudFormation registry. :: aws cloudformation test-type \ --arn arn:aws:cloudformation:us-west-2:123456789012:type/resource/Sample-Test-Resource123/00000001 Output:: { "TypeVersionArn": "arn:aws:cloudformation:us-west-2:123456789012:type/resource/Sample-Test-Resource123/00000001" } For more information, see `Using the AWS CloudFormation registry <https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/registry.html>`__ in the *AWS CloudFormation User Guide*.