code: public Observable<List<CertificateOrderActionInner>> retrieveCertificateActionsAsync(String resourceGroupName, String name) {
          return retrieveCertificateActionsWithServiceResponseAsync(resourceGroupName, name).map(new Func1<ServiceResponse<List<CertificateOrderActionInner>>, List<CertificateOrderActionInner>>() {
              @Override
              public List<CertificateOrderActionInner> call(ServiceResponse<List<CertificateOrderActionInner>> response) {
                  return response.body();
              }
          });
      }
docs: Retrieve the list of certificate actions.
  Retrieve the list of certificate actions.
  
  @param resourceGroupName Name of the resource group to which the resource belongs.
  @param name Name of the certificate order.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the List&lt;CertificateOrderActionInner&gt; object