code: @PluginFactory
      @SuppressWarnings("checkstyle:parameternumber")
      public static SentryAppender createAppender(@PluginAttribute("name") final String name,
                                                  @PluginElement("filter") final Filter filter) {
  
          if (name == null) {
              LOGGER.error("No name provided for SentryAppender");
              return null;
          }
          return new SentryAppender(name, filter);
      }
docs: Create a Sentry Appender.
  
  @param name                The name of the Appender.
  @param filter              The filter, if any, to use.
  @return The SentryAppender.