@Override
    protected void buildAuditMessage(StringBuilder builder) {
      super.buildAuditMessage(builder);

      builder.append(", Notification name(")
        .append(name)
        .append("), Description(")
        .append(description)
        .append("), Notification type(")
        .append(notificationType)
        .append("), Group IDs(")
        .append(StringUtils.join(groupIds, ", "));

      if (emailFrom != null) {
        builder.append("), Email from(")
          .append(emailFrom);
      }

      if (emailRecipients != null && !emailRecipients.isEmpty()) {
        builder.append("), Email to(")
          .append(StringUtils.join(emailRecipients, ", "));
      }
      builder.append("), Alert states(")
        .append(StringUtils.join(alertStates, ", "))
        .append(")");
    }
Appends to the event the details of the incoming request.

@param builder builder for the audit event details.
ambari-server/src/main/java/org/apache/ambari/server/audit/event/request/ChangeAlertTargetRequestAuditEvent.java