code: public String missing(MissingCondition condition) {
          String description;
          if (condition.getContext() != null && condition.getContext().get(CONTEXT_PROPERTY_DESCRIPTION) != null) {
              description = condition.getContext().get(CONTEXT_PROPERTY_DESCRIPTION);
          } else {
              description = condition.getDataId();
          }
          description += " not reported for " + condition.getInterval() + "ms";
          return description;
      }
docs: Create a description for a MissingCondition object.
  
  @param condition the condition
  @return a description to be used on email templates