diff --git a/agents/fsevent.go b/agents/fsevent.go
index e49c8c430..5b7fe739a 100644
--- a/agents/fsevent.go
+++ b/agents/fsevent.go
@@ -408,30 +408,16 @@ func (fsev FSEvent) V1AuthorizeArgs() (args *sessions.V1AuthorizeArgs) {
 	if !has {
 		return
 	}
-	if strings.Index(subsystems, utils.MetaAccounts) == -1 {
-		args.GetMaxUsage = false
-	}
-	if strings.Index(subsystems, utils.MetaResources) != -1 {
-		args.AuthorizeResources = true
-	}
-	if strings.Index(subsystems, utils.MetaSuppliers) != -1 {
-		args.GetSuppliers = true
-		if strings.Index(subsystems, utils.MetaSuppliersEventCost) != -1 {
-			args.SuppliersMaxCost = utils.MetaEventCost
-		}
-		if strings.Index(subsystems, utils.MetaSuppliersIgnoreErrors) != -1 {
-			args.SuppliersIgnoreErrors = true
-		}
-	}
-	if strings.Index(subsystems, utils.MetaAttributes) != -1 {
-		args.GetAttributes = true
-	}
-	if strings.Index(subsystems, utils.MetaThresholds) != -1 {
-		args.ProcessThresholds = utils.BoolPointer(true)
-	}
-	if strings.Index(subsystems, utils.MetaStats) != -1 {
-		args.ProcessStatQueues = utils.BoolPointer(true)
+	args.GetMaxUsage = strings.Index(subsystems, utils.MetaAccounts) != -1
+	args.AuthorizeResources = strings.Index(subsystems, utils.MetaResources) != -1
+	args.GetSuppliers = strings.Index(subsystems, utils.MetaSuppliers) != -1
+	args.SuppliersIgnoreErrors = strings.Index(subsystems, utils.MetaSuppliersIgnoreErrors) != -1
+	if strings.Index(subsystems, utils.MetaSuppliersEventCost) != -1 {
+		args.SuppliersMaxCost = utils.MetaEventCost
 	}
+	args.GetAttributes = strings.Index(subsystems, utils.MetaAttributes) != -1
+	args.ProcessThresholds = strings.Index(subsystems, utils.MetaThresholds) != -1
+	args.ProcessStats = strings.Index(subsystems, utils.MetaStats) != -1
 	return
 }
 
@@ -449,21 +435,11 @@ func (fsev FSEvent) V1InitSessionArgs() (args *sessions.V1InitSessionArgs) {
 	if !has {
 		return
 	}
-	if strings.Index(subsystems, utils.MetaAccounts) == -1 {
-		args.InitSession = false
-	}
-	if strings.Index(subsystems, utils.MetaResources) != -1 {
-		args.AllocateResources = true
-	}
-	if strings.Index(subsystems, utils.MetaAttributes) != -1 {
-		args.GetAttributes = true
-	}
-	if strings.Index(subsystems, utils.MetaThresholds) != -1 {
-		args.ProcessThresholds = utils.BoolPointer(true)
-	}
-	if strings.Index(subsystems, utils.MetaStats) != -1 {
-		args.ProcessStatQueues = utils.BoolPointer(true)
-	}
+	args.InitSession = strings.Index(subsystems, utils.MetaAccounts) != -1
+	args.AllocateResources = strings.Index(subsystems, utils.MetaResources) != -1
+	args.GetAttributes = strings.Index(subsystems, utils.MetaAttributes) != -1
+	args.ProcessThresholds = strings.Index(subsystems, utils.MetaThresholds) != -1
+	args.ProcessStats = strings.Index(subsystems, utils.MetaStats) != -1
 	return
 }
 
@@ -481,18 +457,10 @@ func (fsev FSEvent) V1TerminateSessionArgs() (args *sessions.V1TerminateSessionA
 	if !has {
 		return
 	}
-	if strings.Index(subsystems, utils.MetaAccounts) == -1 {
-		args.TerminateSession = false
-	}
-	if strings.Index(subsystems, utils.MetaResources) != -1 {
-		args.ReleaseResources = true
-	}
-	if strings.Index(subsystems, utils.MetaThresholds) != -1 {
-		args.ProcessThresholds = utils.BoolPointer(true)
-	}
-	if strings.Index(subsystems, utils.MetaStats) != -1 {
-		args.ProcessStatQueues = utils.BoolPointer(true)
-	}
+	args.TerminateSession = strings.Index(subsystems, utils.MetaAccounts) != -1
+	args.ReleaseResources = strings.Index(subsystems, utils.MetaResources) != -1
+	args.ProcessThresholds = strings.Index(subsystems, utils.MetaThresholds) != -1
+	args.ProcessStats = strings.Index(subsystems, utils.MetaStats) != -1
 	return
 }
 
diff --git a/agents/httpagent.go b/agents/httpagent.go
index 536f68a0b..43516765e 100644
--- a/agents/httpagent.go
+++ b/agents/httpagent.go
@@ -19,12 +19,14 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 package agents
 
 import (
+	"errors"
 	"fmt"
 	"net/http"
 	"time"
 
 	"github.com/cgrates/cgrates/config"
 	"github.com/cgrates/cgrates/engine"
+	"github.com/cgrates/cgrates/sessions"
 	"github.com/cgrates/cgrates/utils"
 	"github.com/cgrates/rpcclient"
 )
@@ -117,23 +119,111 @@ func (ha *HTTPAgent) processRequest(reqProcessor *config.HttpAgntProcCfg,
 		Time:   utils.TimePointer(time.Now()),
 		Event:  reqEv.AsMapStringInterface(),
 	}
-	if reqProcessor.DryRun {
+	var reqType string
+	for _, typ := range []string{
+		utils.MetaDryRun, utils.MetaAuth,
+		utils.MetaInitiate, utils.MetaUpdate,
+		utils.MetaTerminate, utils.MetaEvent} {
+		if reqProcessor.Flags.HasKey(typ) { // request type is identified through flags
+			reqType = typ
+		}
+	}
+	switch reqType {
+	default:
+		return false, errors.New("unknown request type")
+	case utils.MetaDryRun:
 		utils.Logger.Info(
 			fmt.Sprintf("<%s> DRY_RUN, processorID: %s, HTTP request: %s",
 				utils.HTTPAgent, reqProcessor.Id, utils.ToJSON(agReq.Request)))
 		utils.Logger.Info(
 			fmt.Sprintf("<%s> DRY_RUN, processorID: %s, CGREvent: %s",
-				utils.HTTPAgent, reqProcessor.Id, agReq))
+				utils.HTTPAgent, reqProcessor.Id, utils.ToJSON(cgrEv)))
+	case utils.MetaAuth:
+		authArgs := sessions.NewV1AuthorizeArgs(
+			reqProcessor.Flags.HasKey(utils.MetaAttributes),
+			reqProcessor.Flags.HasKey(utils.MetaResources),
+			reqProcessor.Flags.HasKey(utils.MetaAccounts),
+			reqProcessor.Flags.HasKey(utils.MetaThresholds),
+			reqProcessor.Flags.HasKey(utils.MetaStats),
+			reqProcessor.Flags.HasKey(utils.MetaSuppliers),
+			reqProcessor.Flags.HasKey(utils.MetaSuppliersIgnoreErrors),
+			reqProcessor.Flags.HasKey(utils.MetaSuppliersEventCost),
+			*cgrEv)
+		var authReply sessions.V1AuthorizeReply
+		err = ha.sessionS.Call(utils.SessionSv1AuthorizeEvent,
+			authArgs, &authReply)
+		if agReq.CGRReply, err = NewCGRReply(&authReply, err); err != nil {
+			return
+		}
+	case utils.MetaInitiate:
+		initArgs := sessions.NewV1InitSessionArgs(
+			reqProcessor.Flags.HasKey(utils.MetaAttributes),
+			reqProcessor.Flags.HasKey(utils.MetaResources),
+			reqProcessor.Flags.HasKey(utils.MetaAccounts),
+			reqProcessor.Flags.HasKey(utils.MetaThresholds),
+			reqProcessor.Flags.HasKey(utils.MetaStats), *cgrEv)
+		var initReply sessions.V1InitSessionReply
+		err = ha.sessionS.Call(utils.SessionSv1InitiateSession,
+			initArgs, &initReply)
+		if agReq.CGRReply, err = NewCGRReply(&initReply, err); err != nil {
+			return
+		}
+	case utils.MetaUpdate:
+		updateArgs := sessions.NewV1UpdateSessionArgs(
+			reqProcessor.Flags.HasKey(utils.MetaAttributes),
+			reqProcessor.Flags.HasKey(utils.MetaAccounts), *cgrEv)
+		var updateReply sessions.V1UpdateSessionReply
+		err = ha.sessionS.Call(utils.SessionSv1UpdateSession,
+			updateArgs, &updateReply)
+		if agReq.CGRReply, err = NewCGRReply(&updateReply, err); err != nil {
+			return
+		}
+	case utils.MetaTerminate:
+		terminateArgs := sessions.NewV1TerminateSessionArgs(
+			reqProcessor.Flags.HasKey(utils.MetaAccounts),
+			reqProcessor.Flags.HasKey(utils.MetaResources),
+			reqProcessor.Flags.HasKey(utils.MetaThresholds),
+			reqProcessor.Flags.HasKey(utils.MetaStats), *cgrEv)
+		var tRply string
+		err = ha.sessionS.Call(utils.SessionSv1TerminateSession,
+			terminateArgs, &tRply)
+		if agReq.CGRReply, err = NewCGRReply(nil, err); err != nil {
+			return
+		}
+	case utils.MetaEvent:
+		evArgs := sessions.NewV1ProcessEventArgs(
+			reqProcessor.Flags.HasKey(utils.MetaResources),
+			reqProcessor.Flags.HasKey(utils.MetaAccounts),
+			reqProcessor.Flags.HasKey(utils.MetaAttributes), *cgrEv)
+		var eventRply sessions.V1ProcessEventReply
+		err = ha.sessionS.Call(utils.SessionSv1ProcessEvent,
+			evArgs, &eventRply)
+		if utils.ErrHasPrefix(err, utils.RalsErrorPrfx) {
+			cgrEv.Event[utils.Usage] = 0 // avoid further debits
+		} else if eventRply.MaxUsage != nil {
+			cgrEv.Event[utils.Usage] = *eventRply.MaxUsage // make sure the CDR reflects the debit
+		}
+		if agReq.CGRReply, err = NewCGRReply(&eventRply, err); err != nil {
+			return
+		}
 	}
-	fmt.Printf("cgrEv: %+v", cgrEv)
-	/*
-		ev, err := radReqAsCGREvent(req, procVars, reqProcessor.Flags, reqProcessor.RequestFields)
-		if err != nil {
-			return false, err
+	if reqProcessor.Flags.HasKey(utils.MetaCDRs) &&
+		utils.IsSliceMember([]string{utils.MetaTerminate, utils.MetaEvent}, reqType) {
+		var rplyCDRs string
+		if err = ha.sessionS.Call(utils.SessionSv1ProcessCDR,
+			*cgrEv, &rplyCDRs); err != nil {
+			agReq.CGRReply.Set([]string{utils.Error}, err.Error(), false)
 		}
-		if reqProcessor.DryRun {
-			utils.Logger.Info(fmt.Sprintf("<%s> DRY_RUN, CGREvent: %s", utils.RadiusAgent, utils.ToJSON(cgrEv)))
-		}
-	*/
+	}
+	if nM, err := agReq.AsNavigableMap(reqProcessor.ReplyFields); err != nil {
+		return false, err
+	} else {
+		agReq.Reply.Merge(nM)
+	}
+	if reqType == utils.MetaDryRun {
+		utils.Logger.Info(
+			fmt.Sprintf("<%s> DRY_RUN, HTTP reply: %s",
+				utils.HTTPAgent, agReq.Reply))
+	}
 	return
 }
diff --git a/agents/kamevent.go b/agents/kamevent.go
index c783cb898..b4ed1b08c 100644
--- a/agents/kamevent.go
+++ b/agents/kamevent.go
@@ -211,30 +211,16 @@ func (kev KamEvent) V1AuthorizeArgs() (args *sessions.V1AuthorizeArgs) {
 	if !has {
 		return
 	}
-	if strings.Index(subsystems, utils.MetaAccounts) == -1 {
-		args.GetMaxUsage = false
-	}
-	if strings.Index(subsystems, utils.MetaResources) != -1 {
-		args.AuthorizeResources = true
-	}
-	if strings.Index(subsystems, utils.MetaSuppliers) != -1 {
-		args.GetSuppliers = true
-		if strings.Index(subsystems, utils.MetaSuppliersEventCost) != -1 {
-			args.SuppliersMaxCost = utils.MetaEventCost
-		}
-		if strings.Index(subsystems, utils.MetaSuppliersIgnoreErrors) != -1 {
-			args.SuppliersIgnoreErrors = true
-		}
-	}
-	if strings.Index(subsystems, utils.MetaAttributes) != -1 {
-		args.GetAttributes = true
-	}
-	if strings.Index(subsystems, utils.MetaThresholds) != -1 {
-		args.ProcessThresholds = utils.BoolPointer(true)
-	}
-	if strings.Index(subsystems, utils.MetaStats) != -1 {
-		args.ProcessStatQueues = utils.BoolPointer(true)
+	args.GetMaxUsage = strings.Index(subsystems, utils.MetaAccounts) != -1
+	args.AuthorizeResources = strings.Index(subsystems, utils.MetaResources) != -1
+	args.GetSuppliers = strings.Index(subsystems, utils.MetaSuppliers) != -1
+	args.SuppliersIgnoreErrors = strings.Index(subsystems, utils.MetaSuppliersIgnoreErrors) != -1
+	if strings.Index(subsystems, utils.MetaSuppliersEventCost) != -1 {
+		args.SuppliersMaxCost = utils.MetaEventCost
 	}
+	args.GetAttributes = strings.Index(subsystems, utils.MetaAttributes) != -1
+	args.ProcessThresholds = strings.Index(subsystems, utils.MetaThresholds) != -1
+	args.ProcessStats = strings.Index(subsystems, utils.MetaStats) != -1
 	return
 }
 
@@ -270,10 +256,10 @@ func (kev KamEvent) AsKamAuthReply(authArgs *sessions.V1AuthorizeArgs,
 		kar.Suppliers = authReply.Suppliers.Digest()
 	}
 
-	if authArgs.ProcessThresholds != nil && *authArgs.ProcessThresholds {
+	if authArgs.ProcessThresholds {
 		kar.Thresholds = strings.Join(*authReply.ThresholdIDs, utils.FIELDS_SEP)
 	}
-	if authArgs.ProcessStatQueues != nil && *authArgs.ProcessStatQueues {
+	if authArgs.ProcessStats {
 		kar.StatQueues = strings.Join(*authReply.StatQueueIDs, utils.FIELDS_SEP)
 	}
 	return
@@ -293,21 +279,11 @@ func (kev KamEvent) V1InitSessionArgs() (args *sessions.V1InitSessionArgs) {
 	if !has {
 		return
 	}
-	if strings.Index(subsystems, utils.MetaAccounts) == -1 {
-		args.InitSession = false
-	}
-	if strings.Index(subsystems, utils.MetaResources) != -1 {
-		args.AllocateResources = true
-	}
-	if strings.Index(subsystems, utils.MetaAttributes) != -1 {
-		args.GetAttributes = true
-	}
-	if strings.Index(subsystems, utils.MetaThresholds) != -1 {
-		args.ProcessThresholds = utils.BoolPointer(true)
-	}
-	if strings.Index(subsystems, utils.MetaStats) != -1 {
-		args.ProcessStatQueues = utils.BoolPointer(true)
-	}
+	args.InitSession = strings.Index(subsystems, utils.MetaAccounts) != -1
+	args.AllocateResources = strings.Index(subsystems, utils.MetaResources) != -1
+	args.GetAttributes = strings.Index(subsystems, utils.MetaAttributes) != -1
+	args.ProcessThresholds = strings.Index(subsystems, utils.MetaThresholds) != -1
+	args.ProcessStats = strings.Index(subsystems, utils.MetaStats) != -1
 	return
 }
 
@@ -325,18 +301,10 @@ func (kev KamEvent) V1TerminateSessionArgs() (args *sessions.V1TerminateSessionA
 	if !has {
 		return
 	}
-	if strings.Index(subsystems, utils.MetaAccounts) == -1 {
-		args.TerminateSession = false
-	}
-	if strings.Index(subsystems, utils.MetaResources) != -1 {
-		args.ReleaseResources = true
-	}
-	if strings.Index(subsystems, utils.MetaThresholds) != -1 {
-		args.ProcessThresholds = utils.BoolPointer(true)
-	}
-	if strings.Index(subsystems, utils.MetaStats) != -1 {
-		args.ProcessStatQueues = utils.BoolPointer(true)
-	}
+	args.TerminateSession = strings.Index(subsystems, utils.MetaAccounts) != -1
+	args.ReleaseResources = strings.Index(subsystems, utils.MetaResources) != -1
+	args.ProcessThresholds = strings.Index(subsystems, utils.MetaThresholds) != -1
+	args.ProcessStats = strings.Index(subsystems, utils.MetaStats) != -1
 	return
 }
 
diff --git a/agents/librad.go b/agents/librad.go
index b1e23ff6c..0cf2f9d4e 100644
--- a/agents/librad.go
+++ b/agents/librad.go
@@ -402,16 +402,15 @@ func radReplyAppendAttributes(reply *radigo.Packet, procVars map[string]interfac
 
 // NewCGRReply is specific to replies coming from CGRateS
 func NewCGRReply(rply engine.NavigableMapper,
-	errRply error) (mp map[string]interface{}, err error) {
+	errRply error) (mp *engine.NavigableMap, err error) {
 	if errRply != nil {
-		return map[string]interface{}{
-			utils.Error: errRply.Error()}, nil
+		return engine.NewNavigableMap(map[string]interface{}{
+			utils.Error: errRply.Error()}), nil
 	}
-	nM, err := rply.AsNavigableMap(nil)
+	mp, err = rply.AsNavigableMap(nil)
 	if err != nil {
 		return nil, err
 	}
-	mp = nM.AsMapStringInterface()
-	mp[utils.Error] = "" // enforce empty error
+	mp.Set([]string{utils.Error}, "", false) // enforce empty error
 	return mp, nil
 }
diff --git a/agents/librad_test.go b/agents/librad_test.go
index 850ce2456..89d0b7ed3 100644
--- a/agents/librad_test.go
+++ b/agents/librad_test.go
@@ -433,9 +433,9 @@ func (ev myEv) AsNavigableMap(tpl []*config.CfgCdrField) (*engine.NavigableMap,
 }
 
 func TestNewCGRReply(t *testing.T) {
-	eCgrRply := map[string]interface{}{
+	eCgrRply := engine.NewNavigableMap(map[string]interface{}{
 		utils.Error: "some",
-	}
+	})
 	if rpl, err := NewCGRReply(nil, errors.New("some")); err != nil {
 		t.Error(err)
 	} else if !reflect.DeepEqual(eCgrRply, rpl) {
@@ -449,8 +449,8 @@ func TestNewCGRReply(t *testing.T) {
 			},
 		},
 	}
-	eCgrRply = ev
-	eCgrRply[utils.Error] = ""
+	eCgrRply = engine.NewNavigableMap(ev)
+	eCgrRply.Set([]string{utils.Error}, "", false)
 	if rpl, err := NewCGRReply(engine.NavigableMapper(ev), nil); err != nil {
 		t.Error(err)
 	} else if !reflect.DeepEqual(eCgrRply, rpl) {
diff --git a/config/httpagntcfg.go b/config/httpagntcfg.go
index cec7d5520..4dccecb57 100644
--- a/config/httpagntcfg.go
+++ b/config/httpagntcfg.go
@@ -85,7 +85,6 @@ func (ca *HttpAgentCfg) loadFromJsonCfg(jsnCfg *HttpAgentJsonCfg) (err error) {
 
 type HttpAgntProcCfg struct {
 	Id                string
-	DryRun            bool
 	Filters           []string
 	Flags             utils.StringMap
 	ContinueOnSuccess bool
@@ -100,9 +99,6 @@ func (ha *HttpAgntProcCfg) loadFromJsonCfg(jsnCfg *HttpAgentProcessorJsnCfg) (er
 	if jsnCfg.Id != nil {
 		ha.Id = *jsnCfg.Id
 	}
-	if jsnCfg.Dry_run != nil {
-		ha.DryRun = *jsnCfg.Dry_run
-	}
 	if jsnCfg.Filters != nil {
 		ha.Filters = make([]string, len(*jsnCfg.Filters))
 		for i, fltr := range *jsnCfg.Filters {
diff --git a/config/libconfig_json.go b/config/libconfig_json.go
index 42c7db629..efd79a892 100755
--- a/config/libconfig_json.go
+++ b/config/libconfig_json.go
@@ -386,7 +386,6 @@ type HttpAgentJsonCfg struct {
 
 type HttpAgentProcessorJsnCfg struct {
 	Id                  *string
-	Dry_run             *bool
 	Filters             *[]string
 	Flags               *[]string
 	Continue_on_success *bool
diff --git a/engine/navigablemap.go b/engine/navigablemap.go
index 08831f046..2c6b8c562 100644
--- a/engine/navigablemap.go
+++ b/engine/navigablemap.go
@@ -48,20 +48,21 @@ type NavigableMap struct {
 }
 
 // Add will add items into NavigableMap populating also order
-func (nM *NavigableMap) Add(path []string, data interface{}) {
-	nM.order = append(nM.order)
+func (nM *NavigableMap) Set(path []string, data interface{}, ordered bool) {
 	mp := nM.data
 	for i, spath := range path {
-		_, has := mp[spath]
-		if !has {
-			if i == len(path)-1 { // last path
-				mp[spath] = data
-				return
-			}
+		if i == len(path)-1 { // last path
+			mp[spath] = data
+			return
+		}
+		if _, has := mp[spath]; !has {
 			mp[spath] = make(map[string]interface{})
 		}
 		mp = mp[spath].(map[string]interface{}) // so we can check further down
 	}
+	if ordered {
+		nM.order = append(nM.order)
+	}
 }
 
 // FieldAsInterface returns the field value as interface{} for the path specified
@@ -162,3 +163,15 @@ func (nM *NavigableMap) Items() (itms []*NMItem) {
 func (nM *NavigableMap) AsNavigableMap(tpl []*config.CfgCdrField) (oNM *NavigableMap, err error) {
 	return nil, utils.ErrNotImplemented
 }
+
+func (nM *NavigableMap) Merge(nM2 *NavigableMap) {
+	if nM2 == nil {
+		return
+	}
+	for k, v := range nM2.data {
+		nM.data[k] = v
+	}
+	if len(nM2.order) != 0 {
+		nM.order = append(nM.order, nM2.order...)
+	}
+}
diff --git a/engine/navigablemap_test.go b/engine/navigablemap_test.go
index a6f064f6e..698782f83 100644
--- a/engine/navigablemap_test.go
+++ b/engine/navigablemap_test.go
@@ -148,16 +148,16 @@ func TestNavMapAdd(t *testing.T) {
 	nM := NewNavigableMap(nil)
 	path := []string{"FistLever2", "SecondLevel2", "Field2"}
 	data := "Value2"
-	nM.Add(path, data)
+	nM.Set(path, data, true)
 	path = []string{"FirstLevel", "SecondLevel", "ThirdLevel", "Fld1"}
 	data = "Val1"
-	nM.Add(path, data)
+	nM.Set(path, data, true)
 	path = []string{"FistLever2", "Field3"}
 	data = "Value3"
-	nM.Add(path, data)
+	nM.Set(path, data, true)
 	path = []string{"Field4"}
 	data = "Val4"
-	nM.Add(path, data)
+	nM.Set(path, data, true)
 	eNavMap := NavigableMap{
 		data: map[string]interface{}{
 			"FirstLevel": map[string]interface{}{
@@ -190,19 +190,19 @@ func TestNavMapAdd2(t *testing.T) {
 	nM := NewNavigableMap(nil)
 	path := []string{"FistLever2", "SecondLevel2", "Field2"}
 	data := 123
-	nM.Add(path, data)
+	nM.Set(path, data, true)
 	path = []string{"FirstLevel", "SecondLevel", "ThirdLevel", "Fld1"}
 	data1 := 123.123
-	nM.Add(path, data1)
+	nM.Set(path, data1, true)
 	path = []string{"FistLever2", "Field3"}
 	data2 := "Value3"
-	nM.Add(path, data2)
+	nM.Set(path, data2, true)
 	path = []string{"Field4"}
 	data3 := &testStruct{
 		Item1: "Ten",
 		Item2: 10,
 	}
-	nM.Add(path, data3)
+	nM.Set(path, data3, true)
 	eNavMap := NavigableMap{
 		data: map[string]interface{}{
 			"FirstLevel": map[string]interface{}{
diff --git a/sessions/sessions.go b/sessions/sessions.go
index f0d7aa7d6..f54ddd960 100644
--- a/sessions/sessions.go
+++ b/sessions/sessions.go
@@ -1327,15 +1327,35 @@ func (smg *SMGeneric) BiRPCV1ReplicatePassiveSessions(clnt rpcclient.RpcClientCo
 	return
 }
 
+// NewV1AuthorizeArgs is a constructor for V1AuthorizeArgs
+func NewV1AuthorizeArgs(attrs, res, maxUsage, thrslds,
+	statQueues, suppls, supplsIgnoreErrs, supplsEventCost bool,
+	cgrEv utils.CGREvent) (args *V1AuthorizeArgs) {
+	args = &V1AuthorizeArgs{
+		GetAttributes:         attrs,
+		AuthorizeResources:    res,
+		GetMaxUsage:           maxUsage,
+		ProcessThresholds:     thrslds,
+		ProcessStats:          statQueues,
+		SuppliersIgnoreErrors: supplsIgnoreErrs,
+		GetSuppliers:          suppls,
+		CGREvent:              cgrEv,
+	}
+	if supplsEventCost {
+		args.SuppliersMaxCost = utils.MetaSuppliersEventCost
+	}
+	return
+}
+
 type V1AuthorizeArgs struct {
 	GetAttributes         bool
 	AuthorizeResources    bool
 	GetMaxUsage           bool
+	ProcessThresholds     bool
+	ProcessStats          bool
 	GetSuppliers          bool
 	SuppliersMaxCost      string
 	SuppliersIgnoreErrors bool
-	ProcessThresholds     *bool
-	ProcessStatQueues     *bool
 	utils.CGREvent
 	utils.Paginator
 }
@@ -1462,11 +1482,7 @@ func (smg *SMGeneric) BiRPCv1AuthorizeEvent(clnt rpcclient.RpcClientConnection,
 			authReply.Suppliers = &splsReply
 		}
 	}
-	checkThresholds := smg.thdS != nil
-	if args.ProcessThresholds != nil {
-		checkThresholds = *args.ProcessThresholds
-	}
-	if checkThresholds {
+	if smg.thdS != nil && args.ProcessThresholds {
 		if smg.thdS == nil {
 			return utils.NewErrNotConnected(utils.ThresholdS)
 		}
@@ -1481,11 +1497,7 @@ func (smg *SMGeneric) BiRPCv1AuthorizeEvent(clnt rpcclient.RpcClientConnection,
 		}
 		authReply.ThresholdIDs = &tIDs
 	}
-	checkStatQueues := smg.statS != nil
-	if args.ProcessStatQueues != nil {
-		checkStatQueues = *args.ProcessStatQueues
-	}
-	if checkStatQueues {
+	if smg.statS != nil && args.ProcessStats {
 		if smg.statS == nil {
 			return utils.NewErrNotConnected(utils.StatService)
 		}
@@ -1536,23 +1548,35 @@ func (smg *SMGeneric) BiRPCv1AuthorizeEventWithDigest(clnt rpcclient.RpcClientCo
 	if args.GetSuppliers {
 		authReply.SuppliersDigest = utils.StringPointer(initAuthRply.Suppliers.Digest())
 	}
-	if args.ProcessThresholds != nil && *args.ProcessThresholds {
+	if args.ProcessThresholds {
 		authReply.Thresholds = utils.StringPointer(
 			strings.Join(*initAuthRply.ThresholdIDs, utils.FIELDS_SEP))
 	}
-	if args.ProcessStatQueues != nil && *args.ProcessStatQueues {
+	if args.ProcessStats {
 		authReply.StatQueues = utils.StringPointer(
 			strings.Join(*initAuthRply.StatQueueIDs, utils.FIELDS_SEP))
 	}
 	return nil
 }
 
+func NewV1InitSessionArgs(attrs, resrc, acnt, thrslds, stats bool,
+	cgrEv utils.CGREvent) *V1InitSessionArgs {
+	return &V1InitSessionArgs{
+		GetAttributes:     attrs,
+		AllocateResources: resrc,
+		InitSession:       acnt,
+		ProcessThresholds: thrslds,
+		ProcessStats:      stats,
+		CGREvent:          cgrEv,
+	}
+}
+
 type V1InitSessionArgs struct {
 	GetAttributes     bool
 	AllocateResources bool
 	InitSession       bool
-	ProcessThresholds *bool
-	ProcessStatQueues *bool
+	ProcessThresholds bool
+	ProcessStats      bool
 	utils.CGREvent
 }
 
@@ -1650,11 +1674,7 @@ func (smg *SMGeneric) BiRPCv1InitiateSession(clnt rpcclient.RpcClientConnection,
 			rply.MaxUsage = &maxUsage
 		}
 	}
-	checkThresholds := smg.thdS != nil
-	if args.ProcessThresholds != nil {
-		checkThresholds = *args.ProcessThresholds
-	}
-	if checkThresholds {
+	if smg.thdS != nil && args.ProcessThresholds {
 		if smg.thdS == nil {
 			return utils.NewErrNotConnected(utils.ThresholdS)
 		}
@@ -1669,11 +1689,7 @@ func (smg *SMGeneric) BiRPCv1InitiateSession(clnt rpcclient.RpcClientConnection,
 		}
 		rply.ThresholdIDs = &tIDs
 	}
-	checkStatQueues := smg.statS != nil
-	if args.ProcessStatQueues != nil {
-		checkStatQueues = *args.ProcessStatQueues
-	}
-	if checkStatQueues {
+	if smg.statS != nil && args.ProcessStats {
 		if smg.statS == nil {
 			return utils.NewErrNotConnected(utils.StatService)
 		}
@@ -1722,17 +1738,23 @@ func (smg *SMGeneric) BiRPCv1InitiateSessionWithDigest(clnt rpcclient.RpcClientC
 		}
 	}
 
-	if args.ProcessThresholds != nil && *args.ProcessThresholds {
+	if args.ProcessThresholds {
 		initReply.Thresholds = utils.StringPointer(
 			strings.Join(*initSessionRply.ThresholdIDs, utils.FIELDS_SEP))
 	}
-	if args.ProcessStatQueues != nil && *args.ProcessStatQueues {
+	if args.ProcessStats {
 		initReply.StatQueues = utils.StringPointer(
 			strings.Join(*initSessionRply.StatQueueIDs, utils.FIELDS_SEP))
 	}
 	return nil
 }
 
+func NewV1UpdateSessionArgs(attrs, acnts bool,
+	cgrEv utils.CGREvent) *V1UpdateSessionArgs {
+	return &V1UpdateSessionArgs{GetAttributes: attrs,
+		UpdateSession: acnts, CGREvent: cgrEv}
+}
+
 type V1UpdateSessionArgs struct {
 	GetAttributes bool
 	UpdateSession bool
@@ -1804,11 +1826,21 @@ func (smg *SMGeneric) BiRPCv1UpdateSession(clnt rpcclient.RpcClientConnection,
 	return
 }
 
+func NewV1TerminateSessionArgs(acnts, resrc, thrds, stats bool,
+	cgrEv utils.CGREvent) *V1TerminateSessionArgs {
+	return &V1TerminateSessionArgs{
+		TerminateSession:  acnts,
+		ReleaseResources:  resrc,
+		ProcessThresholds: thrds,
+		ProcessStats:      stats,
+		CGREvent:          cgrEv}
+}
+
 type V1TerminateSessionArgs struct {
 	TerminateSession  bool
 	ReleaseResources  bool
-	ProcessThresholds *bool
-	ProcessStatQueues *bool
+	ProcessThresholds bool
+	ProcessStats      bool
 	utils.CGREvent
 }
 
@@ -1851,11 +1883,7 @@ func (smg *SMGeneric) BiRPCv1TerminateSession(clnt rpcclient.RpcClientConnection
 			return utils.NewErrResourceS(err)
 		}
 	}
-	checkThresholds := smg.thdS != nil
-	if args.ProcessThresholds != nil {
-		checkThresholds = *args.ProcessThresholds
-	}
-	if checkThresholds {
+	if smg.thdS != nil && args.ProcessThresholds {
 		if smg.thdS == nil {
 			return utils.NewErrNotConnected(utils.ThresholdS)
 		}
@@ -1869,14 +1897,7 @@ func (smg *SMGeneric) BiRPCv1TerminateSession(clnt rpcclient.RpcClientConnection
 				fmt.Sprintf("<SessionS> error: %s processing event %+v with ThresholdS.", err.Error(), thEv))
 		}
 	}
-	checkStatQueues := smg.statS != nil
-	if args.ProcessStatQueues != nil {
-		checkStatQueues = *args.ProcessStatQueues
-	}
-	if checkStatQueues {
-		if smg.statS == nil {
-			return utils.NewErrNotConnected(utils.StatService)
-		}
+	if smg.statS != nil && args.ProcessStats {
 		var statReply []string
 		if err := smg.statS.Call(utils.StatSv1ProcessEvent, &args.CGREvent, &statReply); err != nil &&
 			err.Error() != utils.ErrNotFound.Error() {
@@ -1898,6 +1919,16 @@ func (smg *SMGeneric) BiRPCv1ProcessCDR(clnt rpcclient.RpcClientConnection,
 	return nil
 }
 
+func NewV1ProcessEventArgs(resrc, acnts, attrs bool,
+	cgrEv utils.CGREvent) *V1ProcessEventArgs {
+	return &V1ProcessEventArgs{
+		AllocateResources: resrc,
+		Debit:             acnts,
+		GetAttributes:     attrs,
+		CGREvent:          cgrEv,
+	}
+}
+
 type V1ProcessEventArgs struct {
 	AllocateResources bool
 	Debit             bool
diff --git a/utils/consts.go b/utils/consts.go
index e60bbd99e..8b7a8db6e 100755
--- a/utils/consts.go
+++ b/utils/consts.go
@@ -547,6 +547,11 @@ const (
 	MetaVars                     = "*vars"
 	MetaReply                    = "*reply"
 	CGROriginHost                = "cgr_originhost"
+	MetaInitiate                 = "*initiate"
+	MetaUpdate                   = "*update"
+	MetaTerminate                = "*terminate"
+	MetaEvent                    = "*event"
+	MetaDryRun                   = "*dryrun"
 )
 
 // Migrator Action