diff --git a/docs/EN_US/ContainerizedHPCC/ContainerizedMods/ContainerLogging.xml b/docs/EN_US/ContainerizedHPCC/ContainerizedMods/ContainerLogging.xml
index 5cbef70cf29..51787bcf528 100644
--- a/docs/EN_US/ContainerizedHPCC/ContainerizedMods/ContainerLogging.xml
+++ b/docs/EN_US/ContainerizedHPCC/ContainerizedMods/ContainerLogging.xml
@@ -619,7 +619,7 @@ ContainerLog
       <title>Target Audience Filtering</title>
 
       <para>The availble target audiences include operator(OPR), user(USR),
-      programmer(PRO), audit(ADT), or all. The filter is controlled by the
+      programmer(PRO), monitor(MON), audit(ADT), or all. The filter is controlled by the
       &lt;section&gt;.logging.audiences value. The string value is comprised
       of 3 letter codes delimited by the aggregation operator (+) or the
       removal operator (-).</para>
@@ -634,7 +634,7 @@ ContainerLog
       <title>Target Category Filtering</title>
 
       <para>The available target categories include disaster(DIS), error(ERR),
-      information(INF), warning(WRN), progress(PRO), metrics(MET). The
+      information(INF), warning(WRN), progress(PRO), event(EVT), metrics(MET). The
       category (or class) filter is controlled by the
       &lt;section&gt;.logging.classes value, comprised of 3 letter codes
       delimited by the aggregation operator (+) or the removal operator
diff --git a/esp/scm/ws_logaccess.ecm b/esp/scm/ws_logaccess.ecm
index 455561e7f7f..d89dc4d4a30 100644
--- a/esp/scm/ws_logaccess.ecm
+++ b/esp/scm/ws_logaccess.ecm
@@ -108,7 +108,8 @@ ESPenum LogEventClass : string
     Warning("WRN"),
     Info("INF"),
     Progress("PRO"),
-    Metric("MET")
+    Metric("MET"),
+    Event("EVT")
 };
 
 /*
@@ -133,12 +134,14 @@ ESPenum LogEventClass : string
 *    INF - Information
 *    PRO - Progress
 *    MET - Metric
+*    EVT - Event
 *
 *If searching by "ByTargetAudience", the SearchByValue should contain the 3 letter code associated with the target audience of interest.
 * valid values at time of writing are:
 *    OPR - Operator
 *    USR - User
 *    PRO - Programmer
+*    MON - Monitor
 *    ADT - Audit
 *If searching by "BySourceInstance", the SearchByValue should contain the instance of interest
 *If searching by "BySourceNode", the SearchByValue should contain the node of interest
diff --git a/esp/services/ws_workunits/ws_workunitsHelpers.hpp b/esp/services/ws_workunits/ws_workunitsHelpers.hpp
index 37534458b2b..efaad03fce9 100644
--- a/esp/services/ws_workunits/ws_workunitsHelpers.hpp
+++ b/esp/services/ws_workunits/ws_workunitsHelpers.hpp
@@ -261,7 +261,7 @@ struct WUComponentLogOptions
             logFetchFilter = getBinaryLogAccessFilter(logFetchFilter, componentsFilterObj, LOGACCESS_FILTER_and);
 
         ILogAccessFilter * logEventTypeFilterObj = nullptr;
-        StringBuffer logType; //"DIS","ERR","WRN","INF","PRO","MET","ALL"
+        StringBuffer logType; //"DIS","ERR","WRN","INF","PRO","MET","EVT","ALL"
         zapHttpRequest->getParameter("LogFilter_LogEventType", logType);
         if (!logType.isEmpty() && strcmp(logType.str(), "ALL") != 0)
             logEventTypeFilterObj = getClassLogAccessFilter(LogMsgClassFromAbbrev(logType.str()));
diff --git a/helm/examples/azure/log-analytics/loganalytics-hpcc-logaccess.yaml b/helm/examples/azure/log-analytics/loganalytics-hpcc-logaccess.yaml
index 56400e03de4..fc01b818c41 100644
--- a/helm/examples/azure/log-analytics/loganalytics-hpcc-logaccess.yaml
+++ b/helm/examples/azure/log-analytics/loganalytics-hpcc-logaccess.yaml
@@ -40,6 +40,7 @@ global:
       - code: OPR
       - code: USR
       - code: PRO
+      - code: MON
       - code: ADT
       columnMode: "DEFAULT"
       columnType: "enum"
@@ -51,6 +52,7 @@ global:
       - code: WRN
       - code: INF
       - code: PRO
+      - code: EVT
       - code: MET
       columnMode: "DEFAULT"
       columnType: "enum"
diff --git a/helm/examples/logging/README.md b/helm/examples/logging/README.md
index 75e7185420c..63f51fed542 100644
--- a/helm/examples/logging/README.md
+++ b/helm/examples/logging/README.md
@@ -73,7 +73,7 @@ The logs can be filtered by TargetAudience, Category or Detail Level, and the ou
 
 ### Target Audience Filtering
 
-The availble target audiences include operator(OPR), user(USR), programmer(PRO), audit(ADT), or all. The filter is controlled by the
+The availble target audiences include operator(OPR), user(USR), programmer(PRO), monitor(MON), audit(ADT), or all. The filter is controlled by the
 `<section>`.logging.audiences value. The string value is comprised of 3 letter codes delimited by the aggregation operator (+) or the removal operator (-).
     
     For example, all component log output to include Programmer and User messages only:
@@ -81,7 +81,7 @@ The availble target audiences include operator(OPR), user(USR), programmer(PRO),
     
 ### Target Category Filtering
 
-The available target categories include disaster(DIS), error(ERR), warning(WRN),information(INF),progress(PRO),metrics(MET). The category (or class) filter is controlled by the `<section>`.logging.classes value, comprised of 3 letter codes delimited by the aggregation operator (+) or the removal operator (-).
+The available target categories include disaster(DIS), error(ERR), warning(WRN),information(INF),progress(PRO),metrics(MET),event(EVT). The category (or class) filter is controlled by the `<section>`.logging.classes value, comprised of 3 letter codes delimited by the aggregation operator (+) or the removal operator (-).
     
     For example, the mydali instance's log output to include all classes except for progress:
     helm install myhpcc ./hpcc --set dali[0].logging.classes="ALL-PRO" --set dali[0].name="mydali"
diff --git a/helm/managed/logging/elastic/elastic4hpcclogs-hpcc-logaccess.yaml b/helm/managed/logging/elastic/elastic4hpcclogs-hpcc-logaccess.yaml
index 3aba0f02d82..d1d32312fc5 100644
--- a/helm/managed/logging/elastic/elastic4hpcclogs-hpcc-logaccess.yaml
+++ b/helm/managed/logging/elastic/elastic4hpcclogs-hpcc-logaccess.yaml
@@ -29,6 +29,7 @@ global:
           - code: OPR
           - code: USR
           - code: PRO
+          - code: MON
           - code: ADT
           columnMode: "DEFAULT"
           columnType: "enum"
@@ -40,6 +41,7 @@ global:
           - code: WRN
           - code: INF
           - code: PRO
+          - code: EVT
           - code: MET
           columnMode: "DEFAULT"
           columnType: "enum"
diff --git a/system/jlib/jexcept.cpp b/system/jlib/jexcept.cpp
index 035d6243990..2b4ed2d2f64 100644
--- a/system/jlib/jexcept.cpp
+++ b/system/jlib/jexcept.cpp
@@ -465,6 +465,7 @@ const char* serializeMessageAudience(MessageAudience ma)
     case MSGAUD_operator:    ret = "operator";      break;
     case MSGAUD_user:        ret = "user";          break;
     case MSGAUD_programmer:  ret = "programmer";    break;
+    case MSGAUD_monitor:     ret = "monitor";       break;
     case MSGAUD_all:         ret = "all";           break;
     default:                 ret = "unknown";       break;
     }
@@ -482,6 +483,8 @@ MessageAudience deserializeMessageAudience(const char* text)
             ma = MSGAUD_user;
         else if (!strcmp(text, "programmer"))
             ma = MSGAUD_programmer;
+        else if (!strcmp(text, "monitor"))
+            ma = MSGAUD_monitor;
         else if (!strcmp(text, "all"))
             ma = MSGAUD_all;
     }
diff --git a/system/jlib/jlog.hpp b/system/jlib/jlog.hpp
index 582aebdbced..9686e21feca 100644
--- a/system/jlib/jlog.hpp
+++ b/system/jlib/jlog.hpp
@@ -69,7 +69,8 @@ typedef enum
     MSGCLS_metric      = 0x20, // A metric line
     MSGCLS_addid       = 0x40, // Internal use within log system
     MSGCLS_removeid    = 0x80, // Internal use within log system
-    MSGCLS_all         = 0xFF  // Use as a filter to select all messages
+    MSGCLS_event       = 0x100, // A timestamp or event where the time it occurs is significant
+    MSGCLS_all         = 0xFFFF  // Use as a filter to select all messages
 } LogMsgClass;
 /* ------------------------------------------------------------------------------------ *
  * NOTES:                                                                               *
@@ -142,6 +143,8 @@ inline const char * LogMsgAudienceToVarString(LogMsgAudience audience)
         return("User");
     case MSGAUD_programmer:
         return("Programmer");
+    case MSGAUD_monitor:
+        return("Monitor");
     case MSGAUD_audit:
         return("Audit");
     default:
@@ -159,6 +162,8 @@ inline const char * LogMsgAudienceToFixString(LogMsgAudience audience)
         return("USR");
     case MSGAUD_programmer:
         return("PRG");
+    case MSGAUD_monitor:
+        return("MON");
     case MSGAUD_audit:
         return("AUD");
     default:
@@ -173,6 +178,8 @@ inline MessageAudience LogMsgAudFromAbbrev(char const * abbrev)
         return MSGAUD_user;
     if(strnicmp(abbrev, "PRO", 3)==0)
         return MSGAUD_programmer;
+    if(strnicmp(abbrev, "MON", 3)==0)
+        return MSGAUD_monitor;
     if(strnicmp(abbrev, "ADT", 3)==0)
         return MSGAUD_audit;
     if(strnicmp(abbrev, "ALL", 3)==0)
@@ -196,6 +203,8 @@ inline const char * LogMsgClassToVarString(LogMsgClass msgClass)
         return("Progress");
     case MSGCLS_metric:
         return("Metric");
+    case MSGCLS_event:
+        return("Event");
     default:
         return("UNKNOWN");
     }
@@ -217,6 +226,8 @@ inline const char * LogMsgClassToFixString(LogMsgClass msgClass)
         return("PRO");
     case MSGCLS_metric:
         return("MET");
+    case MSGCLS_event:
+        return("EVT");
     default:
         return("UNK");
     }
@@ -236,6 +247,8 @@ inline LogMsgClass LogMsgClassFromAbbrev(char const * abbrev)
         return MSGCLS_progress;
     if(strnicmp(abbrev, "MET", 3)==0)
         return MSGCLS_metric;
+    if(strnicmp(abbrev, "EVT", 3)==0)
+        return MSGCLS_event;
     if(strnicmp(abbrev, "ALL", 3)==0)
         return MSGCLS_all;
     return MSGCLS_unknown;
diff --git a/system/jlib/jscm.hpp b/system/jlib/jscm.hpp
index 6a08dbdca92..718d6f3a215 100644
--- a/system/jlib/jscm.hpp
+++ b/system/jlib/jscm.hpp
@@ -310,7 +310,8 @@ typedef enum
     //          would not be resolvable by sysadmin or ECL developers. Additional information that may
     //          be useful for improving the platform.
     MSGAUD_programmer  = 0x20,
-    // MSGAUD_legacy      = 0x40, REMOVED - may be reused later
+    // Target audience: Automatic monitoring tools
+    MSGAUD_monitor     = 0x40,
     // Target audience: persons involved in accounting and security audits
     MSGAUD_audit       = 0x80,
     // MSGAUD_all is to be used for filtering or specifying which messages are to be logged