code: @Programmatic
      public PublishedEvent findByTransactionIdAndSequence(final UUID transactionId, final int sequence) {
          return repositoryService.uniqueMatch(
                  new QueryDefault<>(PublishedEvent.class,
                          "findByTransactionIdAndSequence",
                          "transactionId", transactionId,
                          "sequence", sequence
                  ));
      }
docs: region > findByTransactionIdAndSequence