From bd1c0edc46856dbb482dd2047c2ad02ff5ffee42 Mon Sep 17 00:00:00 2001
From: DanB <danb@cgrates.org>
Date: Tue, 17 Feb 2026 20:59:31 +0100
Subject: [PATCH] SessionSv1.ProcessEvent - adding processed chargers
 attributes to reply

---
 chargers/chargers.go | 7 ++++++-
 sessions/apis.go     | 9 ++++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/chargers/chargers.go b/chargers/chargers.go
index 72a8ca5f2..9460b5e88 100644
--- a/chargers/chargers.go
+++ b/chargers/chargers.go
@@ -114,6 +114,11 @@ type ChrgSProcessEventReply struct {
 	CGREvent        *utils.CGREvent
 }
 
+// so we can compare from outside if event changed with AttributeS
+var ChargerSDefaultAlteredFields = []string{utils.MetaOptsRunID,
+	utils.MetaOpts + utils.NestingSep + utils.MetaChargeID,
+	utils.MetaOpts + utils.NestingSep + utils.MetaSubsys}
+
 func (cS *ChargerS) processEvent(ctx *context.Context, tnt string, cgrEv *utils.CGREvent) (rply []*ChrgSProcessEventReply, err error) {
 	cPs, err := cS.matchingChargerProfilesForEvent(ctx, tnt, cgrEv)
 	if err != nil {
@@ -133,7 +138,7 @@ func (cS *ChargerS) processEvent(ctx *context.Context, tnt string, cgrEv *utils.
 			AlteredFields: []*attributes.FieldsAltered{
 				{
 					MatchedProfileID: utils.MetaDefault,
-					Fields:           []string{utils.MetaOptsRunID, utils.MetaOpts + utils.NestingSep + utils.MetaChargeID, utils.MetaOpts + utils.NestingSep + utils.MetaSubsys},
+					Fields:           slices.Clone(ChargerSDefaultAlteredFields),
 				},
 			},
 		}
diff --git a/sessions/apis.go b/sessions/apis.go
index 31c024cd3..6bc02138d 100644
--- a/sessions/apis.go
+++ b/sessions/apis.go
@@ -863,7 +863,14 @@ func (sS *SessionS) BiRPCv1ProcessEvent(ctx *context.Context,
 			return
 		}
 		for _, chrgr := range chrgrs {
-			cgrEvs[utils.IfaceAsString(chrgr.CGREvent.APIOpts[utils.MetaRunID])] = chrgr.CGREvent
+			runID := utils.IfaceAsString(chrgr.CGREvent.APIOpts[utils.MetaRunID])
+			cgrEvs[runID] = chrgr.CGREvent
+			if len(chrgr.AlteredFields) != len(chargers.ChargerSDefaultAlteredFields) {
+				apiRply.Attributes[runID] = &attributes.AttrSProcessEventReply{
+					AlteredFields: chrgr.AlteredFields,
+					CGREvent:      chrgr.CGREvent,
+				}
+			}
 		}
 	}