diff --git a/data/conf/samples/ees/cgrates.json b/data/conf/samples/ees/cgrates.json
index 9d706241b..8881c970f 100644
--- a/data/conf/samples/ees/cgrates.json
+++ b/data/conf/samples/ees/cgrates.json
@@ -114,8 +114,8 @@
 				{"tag": "AnswerTime", "path": "*exp.AnswerTime", "type": "*variable", "value": "~*req.AnswerTime", "layout": "2006-01-02T15:04:05Z07:00"},
 				{"tag": "Usage", "path": "*exp.Usage", "type": "*variable", "value": "~*req.Usage"},
 				{"tag": "Cost", "path": "*exp.Cost", "type": "*variable", "value": "~*req.Cost{*round:4}"},
-				{"tag": "RatingPlan", "path": "*exp.RatingPlan", "type": "*variable", "value": "~*ec.EventCost.Charges[0].Rating.RatingFilter.RatingPlanID"},
-				{"tag": "RatingPlanSubject", "path": "*exp.RatingPlanSubject", "type": "*variable", "value": "~*ec.EventCost.Charges[0].Rating.RatingFilter.Subject"},
+				{"tag": "RatingPlan", "path": "*exp.RatingPlan", "type": "*variable", "value": "~*ec.CostDetails.Charges[0].Rating.RatingFilter.RatingPlanID"},
+				{"tag": "RatingPlanSubject", "path": "*exp.RatingPlanSubject", "type": "*variable", "value": "~*ec.CostDetails.Charges[0].Rating.RatingFilter.Subject"},
 
 				{"tag": "NumberOfEvents", "path": "*trl.NumberOfEvents", "type": "*variable", "value": "~*dc.NumberOfEvents"},
 				{"tag": "TotalDuration", "path": "*trl.TotalDuration", "type": "*variable", "value": "~*dc.TotalDuration"},
diff --git a/ees/ees.go b/ees/ees.go
index 50c6346a9..956093738 100644
--- a/ees/ees.go
+++ b/ees/ees.go
@@ -270,7 +270,7 @@ func exportEventWithExporter(exp EventExporter, ev *utils.CGREvent, oneTime bool
 			utils.MetaDC:   exp.GetMetrics(),
 			utils.MetaOpts: utils.MapStorage(ev.APIOpts),
 			utils.MetaCfg:  cfg.GetDataProvider(),
-			utils.MetaEC:   utils.MapStorage{utils.EventCost: ev.Event[utils.EventCost]},
+			utils.MetaEC:   utils.MapStorage{utils.CostDetails: ev.Event[utils.CostDetails]},
 		}, utils.FirstNonEmpty(ev.Tenant, cfg.GeneralCfg().DefaultTenant),
 			filterS,
 			map[string]*utils.OrderedNavigableMap{utils.MetaExp: expNM}).SetFields(exp.Cfg().ContentFields())
diff --git a/ees/filecsv_it_test.go b/ees/filecsv_it_test.go
index b423c7ab5..7e508bdb9 100644
--- a/ees/filecsv_it_test.go
+++ b/ees/filecsv_it_test.go
@@ -376,7 +376,7 @@ func testCsvExportComposedEvent(t *testing.T) {
 				utils.Cost:          1.016374,
 				"ExtraFields": map[string]string{"extra1": "val_extra1",
 					"extra2": "val_extra2", "extra3": "val_extra3"},
-				"EventCost": cd,
+				utils.CostDetails: cd,
 			},
 		},
 	}
@@ -405,7 +405,7 @@ func testCsvExportComposedEvent(t *testing.T) {
 				utils.Cost:          0.155462,
 				"ExtraFields": map[string]string{"extra1": "val_extra1",
 					"extra2": "val_extra2", "extra3": "val_extra3"},
-				"EventCost": cd,
+				utils.CostDetails: cd,
 			},
 		},
 	}
diff --git a/engine/argees.go b/engine/argees.go
index a62f9f9f5..9d43f1353 100644
--- a/engine/argees.go
+++ b/engine/argees.go
@@ -50,8 +50,8 @@ func (cgr *CGREventWithEeIDs) UnmarshalJSON(data []byte) error {
 		return err
 	}
 	cgr.CGREvent = cgrEv
-	// check if we have EventCost and modify it's type (by default it was map[string]interface{} by unrmarshaling, now it will be EventCost)
-	if ecEv, has := cgrEv.Event[utils.EventCost]; has {
+	// check if we have CostDetails and modify it's type (by default it was map[string]interface{} by unrmarshaling, now it will be EventCost)
+	if ecEv, has := cgrEv.Event[utils.CostDetails]; has {
 		ec := new(EventCost)
 		bts, err := json.Marshal(ecEv)
 		if err != nil {
@@ -60,7 +60,7 @@ func (cgr *CGREventWithEeIDs) UnmarshalJSON(data []byte) error {
 		if err := json.Unmarshal(bts, &ec); err != nil {
 			return err
 		}
-		cgr.Event[utils.EventCost] = ec
+		cgr.Event[utils.CostDetails] = ec
 	}
 	return nil
 }