certificateAuthorityArn

The Amazon Resource Number (ARN) of the private CA to inspect. You can find the ARN by calling the ListCertificateAuthorities action. This must be of the form: arn:aws:acm-pca:region:account:certificate-authority/12345678-1234-1234-1234-123456789012 You can get a private CA's ARN by running the ListCertificateAuthorities action.