private static void setLabelSystem() {
    IndexDefinition indexDefinition;
    try (Transaction tx = graphDb.beginTx()) {
      Schema schema = graphDb.schema();
      indexDefinition = schema.indexFor(DynamicLabel.label("Nome")).on("name").create();
      tx.success();
    }

    try (Transaction tx = graphDb.beginTx()) {
      Schema schema = graphDb.schema();
      schema.awaitIndexOnline(indexDefinition, 10, TimeUnit.SECONDS);
    }
  }