public static void createItems(ChatData chatData) {

    Table table = dynamoDB.getTable(tableName);
    System.out.println(table.getTableName());
    try {

      Item item =
          new Item()
              .withPrimaryKey("TimeStamp", dateNow())
              .withString("user", chatData.getUser())
              .withString("chat", chatData.getChat());
      table.putItem(item);
    } catch (Exception e) {
      System.err.println("Create items failed.");
      System.err.println(e.getMessage());
    }
  }