diff --git a/config/fwvdp_test.go b/config/fwvdp_test.go
new file mode 100644
index 000000000..e7b776021
--- /dev/null
+++ b/config/fwvdp_test.go
@@ -0,0 +1,145 @@
+/*
+Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
+Copyright (C) ITsysCOM GmbH
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>
+*/
+
+package config
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/cgrates/cgrates/utils"
+)
+
+func TestNewFWVProvider(t *testing.T) {
+
+	dP := NewFWVProvider("test")
+
+	if dP == nil {
+		t.Error("didn't recive the FWVProvider", dP)
+	}
+}
+
+func TestFwvdpString(t *testing.T) {
+
+	dP := NewFWVProvider("test")
+
+	rcv := dP.String()
+
+	if rcv != "{}" {
+		t.Errorf("recived %s, expected {}", rcv)
+	}
+}
+
+func TestFWVFieldAsInterface(t *testing.T) {
+
+	dP := FWVProvider{req: "test", cache: utils.MapStorage{"0-4": "test"}}
+
+	tests := []struct{
+		name string 
+		arg []string 
+		exp any
+		err bool
+	}{
+		{
+			name: "empty field path",
+			arg: []string{},
+			exp: nil,
+			err: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+
+			data, err := dP.FieldAsInterface(tt.arg)
+
+			if tt.err {
+				if err == nil {
+					t.Fatal("was expecting an error")
+				}
+			} else {
+				if err != nil {
+					t.Fatal("was not expecting an error")
+				}
+			}
+
+			if !reflect.DeepEqual(data, tt.exp) {
+				t.Errorf("recived %v, expected %v", data, tt.exp)
+			}
+		})
+	}
+}
+
+func TestFWVFieldAsString(t *testing.T) {
+
+	dP := NewFWVProvider("test")
+
+	type exp struct {
+		data string
+		err  error
+	}
+
+	tests := []struct {
+		name string
+		arg  []string
+		exp  exp
+	}{
+		{
+			name: "no err",
+			arg:  []string{"0-1"},
+			exp:  exp{"t", nil},
+		},
+		{
+			name: "err",
+			arg:  []string{"test"},
+			exp:  exp{"", nil},
+		},
+	}
+
+	for i, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+
+			data, err := dP.FieldAsString(tt.arg)
+
+			if i < 1 {
+				if err != tt.exp.err {
+					t.Fatalf("recived %s, expected %s", err, tt.exp.err)
+				}
+			} else {
+				if err == nil {
+					t.Fatalf("was expecting an error")
+				}
+			}
+
+			if data != tt.exp.data {
+				t.Errorf("recived %s, expected %s", data, tt.exp.data)
+			}
+		})
+	}
+}
+
+func TestFWVRemoteHost(t *testing.T) {
+
+	dP := NewFWVProvider("test")
+
+	rcv := dP.RemoteHost()
+
+	if rcv == nil {
+		t.Error("didn't recive")
+	}
+}
diff --git a/config/slicedp_test.go b/config/slicedp_test.go
new file mode 100644
index 000000000..7cbf90cd6
--- /dev/null
+++ b/config/slicedp_test.go
@@ -0,0 +1,189 @@
+/*
+Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
+Copyright (C) ITsysCOM GmbH
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>
+*/
+
+package config
+
+import (
+	"fmt"
+	"reflect"
+	"testing"
+
+	"github.com/cgrates/cgrates/utils"
+)
+
+func TestSliceDPNewSliceDP(t *testing.T) {
+
+	slc := []string{"test", "test2"}
+	rcv := NewSliceDP(slc)
+	exp := &SliceDP{req: slc, cache: utils.MapStorage{}}
+
+	if !reflect.DeepEqual(rcv, exp) {
+		t.Errorf("recived %v, expected %v", rcv, exp)
+	}
+}
+
+func TestSliceDPString(t *testing.T) {
+
+	slc := []string{"test", "test2"}
+	cP := NewSliceDP(slc)
+	rcv := cP.String()
+	exp := "{}"
+
+	if rcv != exp {
+		t.Errorf("recived %v, expected %v", rcv, exp)
+	}
+}
+
+func TestSliceDPFieldAsInterface(t *testing.T) {
+
+	slc := []string{"0", "1", "2"}
+	slc2 := []string{"0"}
+	slc3 := []string{"test"}
+	slc4 := []string{"4"}
+	cp := SliceDP{req:slc2, cache: utils.MapStorage{"0": "val1"}}
+
+	type exp struct {
+		data any
+		err  error
+	}
+
+	tests := []struct {
+		name string
+		arg  []string
+		exp  exp
+	}{
+		{
+			name: "empty field path",
+			arg:  []string{},
+			exp:  exp{data: nil, err: nil},
+		},
+		{
+			name: "invalid field path",
+			arg:  slc,
+			exp:  exp{data: nil, err: fmt.Errorf("Invalid fieldPath %+v", slc)},
+		},
+		{
+			name: "item found in cache",
+			arg:  slc2,
+			exp:  exp{data: "val1", err: nil},
+		},
+		{
+			name: "strings.Atoi error",
+			arg:  slc3,
+			exp:  exp{data: nil},
+		},
+		{
+			name: "error not found",
+			arg:  slc4,
+			exp:  exp{data: nil, err: utils.ErrNotFound},
+		},
+	}
+
+	for i, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			data, err := cp.FieldAsInterface(tt.arg)
+
+			if i == 3 {
+				if err == nil {
+					t.Fatal("was expecting an error")
+				}
+			} else {
+				if  !reflect.DeepEqual(err, tt.exp.err) {
+					t.Fatalf("recived %s, expected %s", err, tt.exp.err)
+				}
+			}
+
+			if !reflect.DeepEqual(data, tt.exp.data) {
+				t.Errorf("recived %v, expected %v", data, tt.exp.data)
+			}
+		})
+	}
+
+	t.Run("no error", func(t *testing.T) {
+
+		slcRec := []string{"0", "1"}
+		slcArg := []string{"0"}
+		cp := SliceDP{req:slcRec, cache: utils.MapStorage{"test": "val1"}}
+
+		data, err := cp.FieldAsInterface(slcArg)
+
+		if err != nil {
+			t.Fatal("was not expecting an error:", err)
+		}
+
+		if !reflect.DeepEqual(data, "0") {
+			t.Errorf("recived %v, expected %v", data, "0")
+		}
+	})
+
+}
+
+func TestSliceDPFieldAsString(t *testing.T) {
+	
+	slc := []string{"0", "1"}
+	cP := NewSliceDP(slc)
+
+	type exp struct {
+		data string 
+		err error 
+	}
+
+	tests := []struct{
+		name string
+		arg []string
+		exp exp
+	}{
+		{
+			name: "err",
+			arg: []string{"2"},
+			exp: exp{"", utils.ErrNotFound},
+		},
+		{
+			name: "no err",
+			arg: []string{"1"},
+			exp: exp{"1", nil},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			data, err := cP.FieldAsString(tt.arg)
+
+			if err != tt.exp.err {
+				t.Fatalf("recived %s, expected %s", err, tt.exp.err)
+			}
+	
+			if !reflect.DeepEqual(data, tt.exp.data) {
+				t.Errorf("recived %v, expected %v", data, tt.exp.data)
+			}
+		})
+	}
+}
+
+func TestSliceDPRemoteHost(t *testing.T) {
+	
+	slc := []string{"test", "test2"}
+	cP := NewSliceDP(slc)
+
+	rcv := cP.RemoteHost()
+	exp := utils.LocalAddr()
+
+	if rcv.String() != exp.String() {
+		t.Errorf("recived %s, expected %s", rcv, exp)
+	}
+}
diff --git a/utils/mapstorage.go b/utils/mapstorage.go
index 4c881555c..ed09767b5 100644
--- a/utils/mapstorage.go
+++ b/utils/mapstorage.go
@@ -287,7 +287,7 @@ func getPathFromValue(in reflect.Value, prefix string) (out []string) {
 			out = append(out, getPathFromValue(in.Index(i), pref+NestingSep)...)
 		}
 	case reflect.Map:
-		iter := reflect.ValueOf(in).MapRange()
+		iter := in.MapRange()
 		for iter.Next() {
 			pref := prefix + iter.Key().String()
 			// out = append(out, pref)
diff --git a/utils/mapstorage_test.go b/utils/mapstorage_test.go
index f3e3b42f0..a3f57d1c4 100644
--- a/utils/mapstorage_test.go
+++ b/utils/mapstorage_test.go
@@ -493,11 +493,11 @@ func TestGetPathFromValue(t *testing.T) {
 			args: args{reflect.ValueOf(&[]string{"test"}), "test"},
 			exp:  []string{"test[0]"},
 		},
-		/*{
+		{
 			name: "map",
 			args: args{reflect.ValueOf(map[string]string{"test": "test"}), "test"},
 			exp: []string{"testtest"},
-		},*/
+		},
 		{
 			name: "struct",
 			args: args{reflect.ValueOf(struct{ test string }{"test"}), "test"},
diff --git a/utils/struct.go b/utils/struct.go
index 7505117bf..0afd1205b 100644
--- a/utils/struct.go
+++ b/utils/struct.go
@@ -33,7 +33,6 @@ func fieldByIndexIsEmpty(v reflect.Value, index []int) bool {
 	for i, x := range index {
 		if i > 0 {
 			if v.Kind() == reflect.Ptr && v.Type().Elem().Kind() == reflect.Struct {
-				//impossible to get here
 				if v.IsNil() {
 					return true
 				}
diff --git a/utils/struct_test.go b/utils/struct_test.go
index 8f44dcae3..70f6cc5e3 100644
--- a/utils/struct_test.go
+++ b/utils/struct_test.go
@@ -114,6 +114,7 @@ func TestNonemptyStructFields(t *testing.T) {
 		Account         string
 		Type            string
 		ActionTimingsId string
+		//Amount			int
 	}{"bevoip.eu", true, "testaccount", META_PREPAID, ""}
 	mapStruct := NonemptyStructFields(&attr)
 	expMapStruct := map[string]any{
@@ -121,6 +122,7 @@ func TestNonemptyStructFields(t *testing.T) {
 		"Direction": true,
 		"Account":   "testaccount",
 		"Type":      META_PREPAID,
+		//"Amount":	 10,
 	}
 	if !reflect.DeepEqual(expMapStruct, mapStruct) {
 		t.Errorf("expecting: %+v, received: %+v", expMapStruct, mapStruct)