**To activate a type** The following ``activate-type`` example activates a public third-party extension, making it available for use in stack templates. :: aws cloudformation activate-type \ --region us-west-2 \ --type RESOURCE \ --type-name Example::Test::1234567890abcdef0 \ --type-name-alias Example::Test::Alias Output:: { "Arn": "arn:aws:cloudformation:us-west-2:123456789012:type/resource/Example-Test-Alias" } For more information, see `Using the AWS CloudFormation registry `__ in the *AWS CloudFormation User Guide*.