code: public AppServiceCertificateResourceInner getCertificate(String resourceGroupName, String certificateOrderName, String name) {
          return getCertificateWithServiceResponseAsync(resourceGroupName, certificateOrderName, name).toBlocking().single().body();
      }
docs: Get the certificate associated with a certificate order.
  Get the certificate associated with a certificate order.
  
  @param resourceGroupName Name of the resource group to which the resource belongs.
  @param certificateOrderName Name of the certificate order.
  @param name Name of the certificate.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws DefaultErrorResponseException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the AppServiceCertificateResourceInner object if successful.