diff --git a/engine/attributes.go b/engine/attributes.go
index ece735b5e..f660d7276 100644
--- a/engine/attributes.go
+++ b/engine/attributes.go
@@ -314,11 +314,13 @@ func (alS *AttributeService) V1ProcessEvent(args *AttrArgsProcessEvent,
 		processRuns = *args.ProcessRuns
 	}
 	args.CGREvent = args.CGREvent.Clone()
+	processedPrf := make(utils.StringSet)
 	eNV := utils.MapStorage{
 		utils.MetaReq:  args.CGREvent.Event,
 		utils.MetaOpts: args.APIOpts,
 		utils.MetaVars: utils.MapStorage{
-			utils.ProcessRuns: 0,
+			utils.ProcessRuns:         0,
+			utils.ProcessedProfileIDs: processedPrf,
 		},
 		utils.MetaTenant: tnt,
 	}
@@ -344,6 +346,7 @@ func (alS *AttributeService) V1ProcessEvent(args *AttrArgsProcessEvent,
 		tnt = evRply.CGREvent.Tenant
 		lastID = evRply.MatchedProfiles[0]
 		matchedIDs = append(matchedIDs, lastID)
+		processedPrf.Add(lastID)
 		for _, fldName := range evRply.AlteredFields {
 			alteredFields.Add(fldName)
 		}
diff --git a/utils/consts.go b/utils/consts.go
index c80244f2a..d694ee3eb 100644
--- a/utils/consts.go
+++ b/utils/consts.go
@@ -880,6 +880,7 @@ const (
 	RouteID               = "RouteID"
 	MetaMonthlyEstimated  = "*monthly_estimated"
 	ProcessRuns           = "ProcessRuns"
+	ProcessedProfileIDs   = "ProcessedProfileIDs"
 	HashtagSep            = "#"
 	MetaRounding          = "*rounding"
 	StatsNA               = -1.0
diff --git a/utils/stringset.go b/utils/stringset.go
index 29bdfb807..753e93dac 100644
--- a/utils/stringset.go
+++ b/utils/stringset.go
@@ -125,3 +125,28 @@ func JoinStringSet(s ...StringSet) (conc StringSet) {
 	}
 	return
 }
+
+// added this to implement DataProvieder interface avoid reflect usage in MapStorage
+
+// String returns the set as a json string ( the fields are not ordered)
+func (s StringSet) String() string { return ToJSON(s.AsSlice()) }
+
+// FieldAsInterface returns an empty structure if the path exists else ErrNotFound
+func (s StringSet) FieldAsInterface(fldPath []string) (interface{}, error) {
+	if len(fldPath) != 1 {
+		return nil, ErrNotFound
+	}
+	val, has := s[fldPath[0]]
+	if !has {
+		return nil, ErrNotFound
+	}
+	return val, nil
+}
+
+// FieldAsString returns an empty structure as a json string if the path exists else ErrNotFound
+func (s StringSet) FieldAsString(fldPath []string) (_ string, err error) {
+	if _, err = s.FieldAsInterface(fldPath); err != nil {
+		return
+	}
+	return "{}", nil // noting in it as is a empty structure
+}