diff --git a/agents/radagent.go b/agents/radagent.go
index 1a84251f5..c5a84bc76 100644
--- a/agents/radagent.go
+++ b/agents/radagent.go
@@ -527,7 +527,12 @@ func (ra *RadiusAgent) V1ReAuthorize(_ *context.Context, cgrEv utils.CGREvent, r
 	if originID == "" {
 		return utils.NewErrMandatoryIeMissing(utils.OriginID)
 	}
-	replyCode, err := ra.sendRadDaReq(radigo.CoARequest, ra.cgrCfg.RadiusAgentCfg().CoATemplate,
+	coaTpl := ra.cgrCfg.RadiusAgentCfg().CoATemplate
+	if optTpl, err := cgrEv.OptAsString(utils.MetaRadCoATemplate); err == nil {
+		coaTpl = optTpl
+	}
+
+	replyCode, err := ra.sendRadDaReq(radigo.CoARequest, coaTpl,
 		originID, utils.MapStorage(cgrEv.Event), nil)
 	if err != nil {
 		return err
diff --git a/agents/radius_coa_it_test.go b/agents/radius_coa_it_test.go
index 3058fe21f..a862b613c 100644
--- a/agents/radius_coa_it_test.go
+++ b/agents/radius_coa_it_test.go
@@ -132,7 +132,7 @@ func TestRadiusCoADisconnect(t *testing.T) {
 		if string(request.AVPs[0].RawValue) != "1001" ||
 			!bytes.Equal(request.AVPs[1].RawValue, decodedNasIPAddr) ||
 			string(request.AVPs[2].RawValue) != "e4921177ab0e3586c37f6a185864b71a@0:0:0:0:0:0:0:0" ||
-			string(request.AVPs[3].RawValue) != "custom_filter" {
+			string(request.AVPs[3].RawValue) != "mycustomvalue" {
 			t.Errorf("unexpected request received: %v", utils.ToJSON(request))
 			reply.Code = radigo.CoANAK
 		} else {
@@ -233,11 +233,16 @@ func TestRadiusCoADisconnect(t *testing.T) {
 	}
 
 	var reply string
-	if err := raDiscRPC.Call(context.Background(), utils.SessionSv1ReAuthorize, utils.SessionFilterWithEvent{
-		Event: map[string]any{
-			"CustomFilter": "custom_filter",
-		},
-	}, &reply); err != nil {
+	if err := raDiscRPC.Call(context.Background(), utils.SessionSv1ReAuthorize,
+		utils.SessionFilterWithEvent{
+			SessionFilter: &utils.SessionFilter{
+				APIOpts: map[string]any{
+					utils.MetaRadCoATemplate: "mycoa",
+				}},
+			Event: map[string]any{
+				"CustomFilter": "custom_filter",
+			},
+		}, &reply); err != nil {
 		t.Error(err)
 	}
 
diff --git a/config/config_defaults.go b/config/config_defaults.go
index 1484a1391..304d15d1f 100644
--- a/config/config_defaults.go
+++ b/config/config_defaults.go
@@ -1163,42 +1163,42 @@ const CGRATES_CFG_JSON = `
 
 "templates": {
 	"*err": [
-			{"tag": "SessionId", "path": "*rep.Session-Id", "type": "*variable",
-				"value": "~*req.Session-Id", "mandatory": true},
-			{"tag": "OriginHost", "path": "*rep.Origin-Host", "type": "*variable",
-				"value": "~*vars.OriginHost", "mandatory": true},
-			{"tag": "OriginRealm", "path": "*rep.Origin-Realm", "type": "*variable",
+		{"tag": "SessionId", "path": "*rep.Session-Id", "type": "*variable",
+			"value": "~*req.Session-Id", "mandatory": true},
+		{"tag": "OriginHost", "path": "*rep.Origin-Host", "type": "*variable",
+			"value": "~*vars.OriginHost", "mandatory": true},
+		{"tag": "OriginRealm", "path": "*rep.Origin-Realm", "type": "*variable",
 				"value": "~*vars.OriginRealm", "mandatory": true},
 	],
 	"*cca": [
-			{"tag": "SessionId", "path": "*rep.Session-Id", "type": "*variable",
-				"value": "~*req.Session-Id", "mandatory": true},
-			{"tag": "ResultCode", "path": "*rep.Result-Code", "type": "*constant",
-				"value": "2001"},
-			{"tag": "OriginHost", "path": "*rep.Origin-Host", "type": "*variable",
-				"value": "~*vars.OriginHost", "mandatory": true},
-			{"tag": "OriginRealm", "path": "*rep.Origin-Realm", "type": "*variable",
-				"value": "~*vars.OriginRealm", "mandatory": true},
-			{"tag": "AuthApplicationId", "path": "*rep.Auth-Application-Id", "type": "*variable",
-				 "value": "~*vars.*appid", "mandatory": true},
-			{"tag": "CCRequestType", "path": "*rep.CC-Request-Type", "type": "*variable",
-				"value": "~*req.CC-Request-Type", "mandatory": true},
-			{"tag": "CCRequestNumber", "path": "*rep.CC-Request-Number", "type": "*variable",
-				"value": "~*req.CC-Request-Number", "mandatory": true},
+		{"tag": "SessionId", "path": "*rep.Session-Id", "type": "*variable",
+			"value": "~*req.Session-Id", "mandatory": true},
+		{"tag": "ResultCode", "path": "*rep.Result-Code", "type": "*constant",
+			"value": "2001"},
+		{"tag": "OriginHost", "path": "*rep.Origin-Host", "type": "*variable",
+			"value": "~*vars.OriginHost", "mandatory": true},
+		{"tag": "OriginRealm", "path": "*rep.Origin-Realm", "type": "*variable",
+			"value": "~*vars.OriginRealm", "mandatory": true},
+		{"tag": "AuthApplicationId", "path": "*rep.Auth-Application-Id", "type": "*variable",
+			 "value": "~*vars.*appid", "mandatory": true},
+		{"tag": "CCRequestType", "path": "*rep.CC-Request-Type", "type": "*variable",
+			"value": "~*req.CC-Request-Type", "mandatory": true},
+		{"tag": "CCRequestNumber", "path": "*rep.CC-Request-Number", "type": "*variable",
+			"value": "~*req.CC-Request-Number", "mandatory": true},
 	],
 	"*asr": [
-			{"tag": "SessionId", "path": "*diamreq.Session-Id", "type": "*variable",
-				"value": "~*req.Session-Id", "mandatory": true},
-			{"tag": "OriginHost", "path": "*diamreq.Origin-Host", "type": "*variable",
-				"value": "~*req.Destination-Host", "mandatory": true},
-			{"tag": "OriginRealm", "path": "*diamreq.Origin-Realm", "type": "*variable",
-				"value": "~*req.Destination-Realm", "mandatory": true},
-			{"tag": "DestinationRealm", "path": "*diamreq.Destination-Realm", "type": "*variable",
-				"value": "~*req.Origin-Realm", "mandatory": true},
-			{"tag": "DestinationHost", "path": "*diamreq.Destination-Host", "type": "*variable",
-				"value": "~*req.Origin-Host", "mandatory": true},
-			{"tag": "AuthApplicationId", "path": "*diamreq.Auth-Application-Id", "type": "*variable",
-				 "value": "~*vars.*appid", "mandatory": true},
+		{"tag": "SessionId", "path": "*diamreq.Session-Id", "type": "*variable",
+			"value": "~*req.Session-Id", "mandatory": true},
+		{"tag": "OriginHost", "path": "*diamreq.Origin-Host", "type": "*variable",
+			"value": "~*req.Destination-Host", "mandatory": true},
+		{"tag": "OriginRealm", "path": "*diamreq.Origin-Realm", "type": "*variable",
+			"value": "~*req.Destination-Realm", "mandatory": true},
+		{"tag": "DestinationRealm", "path": "*diamreq.Destination-Realm", "type": "*variable",
+			"value": "~*req.Origin-Realm", "mandatory": true},
+		{"tag": "DestinationHost", "path": "*diamreq.Destination-Host", "type": "*variable",
+			"value": "~*req.Origin-Host", "mandatory": true},
+		{"tag": "AuthApplicationId", "path": "*diamreq.Auth-Application-Id", "type": "*variable",
+			"value": "~*vars.*appid", "mandatory": true},
 	],
 	"*rar": [
 		{"tag": "SessionId", "path": "*diamreq.Session-Id", "type": "*variable",
@@ -1216,7 +1216,7 @@ const CGRATES_CFG_JSON = `
 		{"tag": "ReAuthRequestType", "path": "*diamreq.Re-Auth-Request-Type", "type": "*constant",
 			"value": "0"},
 	],
-	"*dmr": [
+	"*dmr": [  // used by RadiusAgent when sending Disconnect message towards the client
 		{"tag": "User-Name", "path": "*radDAReq.User-Name", "type": "*variable", 
 			"value": "~*oreq.User-Name"},
 		{"tag": "NAS-IP-Address", "path": "*radDAReq.NAS-IP-Address", "type": "*variable", 
@@ -1226,7 +1226,7 @@ const CGRATES_CFG_JSON = `
 		{"tag": "Reply-Message", "path": "*radDAReq.Reply-Message", "type": "*variable", 
 			"value": "~*vars.DisconnectCause"},
 	],
-	"*coa": [
+	"*coa": [ // used by RadiusAgent when sending ChangeOfAuthorization message towards the client
 		{"tag": "User-Name", "path": "*radDAReq.User-Name", "type": "*variable", 
 			"value": "~*oreq.User-Name"},
 		{"tag": "NAS-IP-Address", "path": "*radDAReq.NAS-IP-Address", "type": "*variable", 
@@ -1237,10 +1237,10 @@ const CGRATES_CFG_JSON = `
 			"value": "~*req.CustomFilter"},
 	],
 	"*errSip": [
-			{"tag": "Request", "path": "*rep.Request", "type": "*constant",
-				"value": "SIP/2.0 500 Internal Server Error", "mandatory": true},
+		{"tag": "Request", "path": "*rep.Request", "type": "*constant",
+			"value": "SIP/2.0 500 Internal Server Error", "mandatory": true},
 	],
-	"*cdrLog": [ // cdrLog template is used in ActionS to build the event that is send to CDRs in case of *cdrLog actionType
+	"*cdrLog": [ // cdrLog template is used in ActionS to build the event that is sent to CDRs in case of *cdrLog actionType
 		{"tag": "ToR", "path": "*cdr.ToR", "type": "*variable",
 			"value": "~*req.BalanceType", "mandatory": true},
 		{"tag": "OriginHost", "path": "*cdr.OriginHost", "type": "*constant",
diff --git a/data/conf/samples/radius_coa_disconnect/templates.json b/data/conf/samples/radius_coa_disconnect/templates.json
new file mode 100644
index 000000000..b80849062
--- /dev/null
+++ b/data/conf/samples/radius_coa_disconnect/templates.json
@@ -0,0 +1,19 @@
+{
+
+
+
+"templates": {
+	"mycoa": [ // used by RadiusAgent when sending ChangeOfAuthorization message towards the client
+		{"tag": "User-Name", "path": "*radDAReq.User-Name", "type": "*variable", 
+			"value": "~*oreq.User-Name"},
+		{"tag": "NAS-IP-Address", "path": "*radDAReq.NAS-IP-Address", "type": "*variable", 
+			"value": "~*oreq.NAS-IP-Address"},
+		{"tag": "Acct-Session-Id", "path": "*radDAReq.Acct-Session-Id", "type": "*variable", 
+			"value": "~*oreq.Acct-Session-Id"},
+		{"tag": "Filter-Id", "path": "*radDAReq.Filter-Id", "type": "*variable", 
+			"value": "mycustomvalue"},
+	]
+}
+
+
+}
\ No newline at end of file
diff --git a/sessions/sessions.go b/sessions/sessions.go
index f8a102005..bd7ccd78b 100644
--- a/sessions/sessions.go
+++ b/sessions/sessions.go
@@ -4002,7 +4002,7 @@ func (sS *SessionS) BiRPCV1ProcessCDR(ctx *context.Context,
 		rply)
 }
 
-func (sS *SessionS) sendRar(ctx *context.Context, s *Session, event map[string]any) (err error) {
+func (sS *SessionS) sendRar(ctx *context.Context, s *Session, apiOpts map[string]any, event map[string]any) (err error) {
 	clnt := sS.biJClnt(s.ClientConnID)
 	if clnt == nil {
 		return fmt.Errorf("calling %s requires bidirectional JSON connection, connID: <%s>",
@@ -4020,9 +4020,10 @@ func (sS *SessionS) sendRar(ctx *context.Context, s *Session, event map[string]a
 		}
 	}
 	args := utils.CGREvent{
-		ID:    utils.GenUUID(),
-		Time:  utils.TimePointer(time.Now()),
-		Event: event,
+		ID:      utils.GenUUID(),
+		Time:    utils.TimePointer(time.Now()),
+		APIOpts: apiOpts,
+		Event:   event,
 	}
 
 	var rply string
@@ -4042,17 +4043,17 @@ func (sS *SessionS) BiRPCv1ReAuthorize(ctx *context.Context,
 	if len(aSs) == 0 {
 		return utils.ErrNotFound
 	}
-	cache := utils.NewStringSet(nil)
+	uniqueSIDs := utils.NewStringSet(nil)
 	for _, as := range aSs {
-		if cache.Has(as.CGRID) {
+		if uniqueSIDs.Has(as.CGRID) {
 			continue
 		}
-		cache.Add(as.CGRID)
+		uniqueSIDs.Add(as.CGRID)
 		ss := sS.getSessions(as.CGRID, false)
 		if len(ss) == 0 {
 			continue
 		}
-		if errTerm := sS.sendRar(ctx, ss[0], args.Event); errTerm != nil {
+		if errTerm := sS.sendRar(ctx, ss[0], args.APIOpts, args.Event); errTerm != nil {
 			utils.Logger.Warning(
 				fmt.Sprintf(
 					"<%s> failed sending RAR for session with id: <%s>, err: <%s>",
diff --git a/utils/consts.go b/utils/consts.go
index 63b73331b..407d72019 100644
--- a/utils/consts.go
+++ b/utils/consts.go
@@ -797,6 +797,7 @@ const (
 	TmpSuffix               = ".tmp"
 	MetaDiamreq             = "*diamreq"
 	MetaRadDAReq            = "*radDAReq"
+	MetaRadCoATemplate      = "*radCoATemplate"
 	MetaCost                = "*cost"
 	MetaGroup               = "*group"
 	InternalRPCSet          = "InternalRPCSet"