File: //lib/python3/dist-packages/awscli/examples/cloudformation/test-type.rst
**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*.