| **To change the certificate name for a custom domain name** | |
| The following ``update-domain-name`` example changes the certificate name for a custom domain. :: | |
| aws apigateway update-domain-name \ | |
| --domain-name api.domain.tld \ | |
| --patch-operations op='replace',path='/certificateArn',value='arn:aws:acm:us-west-2:111122223333:certificate/CERTEXAMPLE123EXAMPLE' | |
| Output:: | |
| { | |
| "domainName": "api.domain.tld", | |
| "distributionDomainName": "d123456789012.cloudfront.net", | |
| "certificateArn": "arn:aws:acm:us-west-2:111122223333:certificate/CERTEXAMPLE123EXAMPLE", | |
| "certificateUploadDate": 1462565487 | |
| } | |
| For more information, see `Set up Custom Domain Name for an API in API Gateway <https://docs.aws.amazon.com/apigateway/latest/developerguide/how-to-custom-domains.html>`_ in the *Amazon API Gateway Developer Guide*. | |