diff --git a/dbm/json_data.go b/dbm/json_data.go
index 8236853..9a18c08 100644
--- a/dbm/json_data.go
+++ b/dbm/json_data.go
@@ -67,9 +67,7 @@ func (d *DBMHandler) Delete(c *gin.Context) {
 	}
 
 	response := json_data.NewResponse()
-
 	if payload.Set != nil {
-
 		response.Set, err = d.DBM.RemoveDatapoint(payload.Set...)
 		if err != nil {
 			r := json_data.NewResponse()
diff --git a/dbm/subscribe.go b/dbm/subscribe.go
index c8fe6b8..f4c8d99 100644
--- a/dbm/subscribe.go
+++ b/dbm/subscribe.go
@@ -49,6 +49,7 @@ func (d *DBMHandler) Subscribe(req *json_dataModels.Request, id string) {
 				Path:     dp.Path,
 				Value:    dp.Value,
 				HasChild: dp.Datapoints != nil,
+				Rights:   dp.ReadWrite.GetRights(),
 				Driver:   sub.Driver,
 				Drivers:  &dp.Drivers,
 			})
diff --git a/go.mod b/go.mod
index 245f521..a9bd3bb 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ require (
 	github.com/gin-gonic/gin v1.10.0
 	github.com/google/uuid v1.6.0
 	github.com/gorilla/websocket v1.5.3
-	github.com/tecamino/tecamino-json_data v0.0.17
+	github.com/tecamino/tecamino-json_data v0.0.19
 	github.com/tecamino/tecamino-logger v0.2.0
 )
 
diff --git a/go.sum b/go.sum
index 724a280..781185a 100644
--- a/go.sum
+++ b/go.sum
@@ -71,8 +71,8 @@ github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-github.com/tecamino/tecamino-json_data v0.0.17 h1:M12UzKbfIgu/q3ERsEhGNDV3DYOvc0TioU288kQjDCA=
-github.com/tecamino/tecamino-json_data v0.0.17/go.mod h1:LLlyD7Wwqplb2BP4PeO86EokEcTRidlW5MwgPd1T2JY=
+github.com/tecamino/tecamino-json_data v0.0.19 h1:jaEiY38Rdur1ZKJ5/5H/7ZL5vn1NdUnM/0bQj2vByKc=
+github.com/tecamino/tecamino-json_data v0.0.19/go.mod h1:LLlyD7Wwqplb2BP4PeO86EokEcTRidlW5MwgPd1T2JY=
 github.com/tecamino/tecamino-logger v0.2.0 h1:NPH/Gg9qRhmVoW8b39i1eXu/LEftHc74nyISpcRG+XU=
 github.com/tecamino/tecamino-logger v0.2.0/go.mod h1:0M1E9Uei/qw3e3WA1x3lBo1eP3H5oeYE7GjYrMahnj8=
 github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
diff --git a/models/datapoint.go b/models/datapoint.go
index d114fc9..1f65b40 100644
--- a/models/datapoint.go
+++ b/models/datapoint.go
@@ -55,8 +55,8 @@ func (d *Datapoint) Set(path string, set json_dataModels.Set) (bool, error) {
 			changed = true
 			d.Value = d.Type.ConvertValue(set.Value)
 		}
-
 	}
+
 	if set.Rights != "" {
 		changed = true
 		d.ReadWrite = set.Rights.GetRights()
@@ -108,7 +108,8 @@ func (d *Datapoint) CreateDatapoints(sets ...json_dataModels.Set) (created []jso
 			if i == len(parts)-1 {
 				// Leaf node: create or update datapoint
 				if existing, ok := current.Datapoints[part]; ok {
-					publish, err := existing.Set("", dp)
+
+					_, err := existing.Set("", dp)
 					if err != nil {
 						return nil, nil, err
 					}
@@ -122,18 +123,18 @@ func (d *Datapoint) CreateDatapoints(sets ...json_dataModels.Set) (created []jso
 						Updated: true,
 					})
 
-					if publish {
-						existing.Publish(OnChange)
-					}
+					existing.Publish(OnChange)
+
 				} else {
 					ndp := Datapoint{
 						Uuid:           uuid.New(),
 						CreateDateTime: time.Now().UnixMilli(),
 						Subscriptions:  InitSubscribtion(),
 					}
+
 					// Create new
 					current.Datapoints[part] = &ndp
-					publish, err := ndp.Set(strings.Join(parts, ":"), dp)
+					_, err := ndp.Set(strings.Join(parts, ":"), dp)
 					if err != nil {
 						return nil, nil, err
 					}
@@ -145,10 +146,9 @@ func (d *Datapoint) CreateDatapoints(sets ...json_dataModels.Set) (created []jso
 						Rights: ndp.ReadWrite,
 						Driver: dp.Driver,
 					})
-					if publish {
-						current.Publish(OnChange)
-					}
-					//add uuid to flat map for faster lookuo
+					ndp.Publish(OnCreate)
+
+					//add uuid to flat map for faster lookup
 					uuids[ndp.Uuid] = &ndp
 				}
 			}
@@ -178,6 +178,8 @@ func (d *Datapoint) CreateDatapoints(sets ...json_dataModels.Set) (created []jso
 					newDp.ReadWrite = dp.Rights.GetRights()
 				}
 
+				newDp.Publish(OnCreate)
+
 				current.Datapoints[part] = newDp
 				current = newDp
 
@@ -214,7 +216,7 @@ func (d *Datapoint) ImportDatapoint(dp *Datapoint, path string) (uuids Uuids, er
 				dp.UpdateDateTime = time.Now().UnixMilli()
 				dp.Subscriptions = InitSubscribtion()
 				current.Datapoints[part] = dp
-				//add uuid to flat map for faster lookuo
+				//add uuid to flat map for faster lookup
 				uuids[dp.Uuid] = dp
 				dp.Publish(OnChange)
 			}
@@ -270,47 +272,64 @@ func (d *Datapoint) UpdateValue(conns *ws.ClientHandler, value any) error {
 	return nil
 }
 
-func (d *Datapoint) RemoveDatapoint(conns *ws.ClientHandler, set json_dataModels.Set) (json_dataModels.Set, error) {
+func (d *Datapoint) RemoveDatapoint(conns *ws.ClientHandler, set json_dataModels.Set) (sets []json_dataModels.Set, err error) {
 	parts := strings.Split(set.Path, ":")
 
 	if len(parts) < 1 {
-		return json_dataModels.Set{}, fmt.Errorf("invalid path: '%s'", set.Path)
+		return sets, fmt.Errorf("invalid path: '%s'", set.Path)
 	}
 
 	current := d
 	for i := 0; i < len(parts)-1; i++ {
 		next, ok := current.Datapoints[parts[i]]
 		if !ok {
-			return json_dataModels.Set{}, fmt.Errorf("path not found: '%s'", strings.Join(parts[:i+1], ":"))
+			return sets, fmt.Errorf("path not found: '%s'", strings.Join(parts[:i+1], ":"))
 		}
 		current = next
 	}
 
 	toDelete := parts[len(parts)-1]
 	if dp, ok := current.Datapoints[toDelete]; ok {
+		sets = append(sets, removeChildren(dp)...)
 		dp.Publish(OnDelete)
+		sets = append(sets, json_dataModels.Set{
+			Uuid: dp.Uuid,
+			Path: dp.Path,
+		})
 		delete(current.Datapoints, toDelete)
-		return json_dataModels.Set{
-			Uuid: set.Uuid,
-			Path: set.Path,
-		}, nil
+		return sets, nil
 	}
-	return json_dataModels.Set{}, fmt.Errorf("datapoint '%s' not found", set.Path)
+	return sets, fmt.Errorf("datapoint '%s' not found", set.Path)
+}
+
+// removes all children and grandchlidren of datapoint
+func removeChildren(dp *Datapoint) (sets []json_dataModels.Set) {
+	for name, d := range dp.Datapoints {
+		sets = append(sets, removeChildren(d)...)
+		d.Publish(OnDelete)
+		sets = append(sets, json_dataModels.Set{
+			Uuid: d.Uuid,
+			Path: d.Path,
+		})
+		delete(d.Datapoints, name)
+	}
+	return sets
 }
 
 func (d *Datapoint) GetAllDatapoints(depth uint) (dps Datapoints) {
 
 	var dfs func(dp *Datapoint, currentDepth uint)
 	dfs = func(dp *Datapoint, currentDepth uint) {
-		if depth == 1 {
-			return
-		} else if depth == 0 {
+		switch depth {
+		case 0:
 			// Return all descendants
 			for _, child := range dp.Datapoints {
 				dps = append(dps, child)
 				dfs(child, currentDepth+1)
 			}
 			return
+		case 1:
+			return
 		}
 
 		if currentDepth == depth-1 {
@@ -379,22 +398,26 @@ func (d *Datapoint) RemoveSubscribtion(client *wsModels.Client) {
 }
 
 func (d *Datapoint) Publish(eventType string) error {
-	for client := range d.Subscriptions {
-		r := json_data.NewResponse()
-		r.AddPublish(json_dataModels.Publish{
-			Event: eventType,
-			Uuid:  d.Uuid,
-			Path:  d.Path,
-			Type:  d.Type,
-			Value: d.Value,
-		})
+	r := json_data.NewResponse()
+	r.AddPublish(json_dataModels.Publish{
+		Event: eventType,
+		Uuid:  d.Uuid,
+		Path:  d.Path,
+		Type:  d.Type,
+		Value: d.Value,
+	})
 
-		b, err := json.Marshal(r)
-		if err != nil {
-			return err
+	b, err := json.Marshal(r)
+	if err != nil {
+		return err
+	}
+	switch eventType {
+	case OnCreate, OnDelete:
+		ws.SendBroadcast(b)
+	default:
+		for client := range d.Subscriptions {
+			client.SendResponse(b)
 		}
-
-		client.SendResponse(b)
 	}
 	return nil
 }
diff --git a/models/dbm.go b/models/dbm.go
index 716f90f..2bc4a9d 100644
--- a/models/dbm.go
+++ b/models/dbm.go
@@ -87,18 +87,20 @@ func (d *DBM) UpdateDatapointValue(value any, uid uuid.UUID, path ...string) err
 	return d.Datapoints.UpdateDatapointValue(value, path[0])
 }
 
-func (d *DBM) RemoveDatapoint(sets ...json_dataModels.Set) ([]json_dataModels.Set, error) {
-	var lsRemoved []json_dataModels.Set
+func (d *DBM) RemoveDatapoint(sets ...json_dataModels.Set) (lsRemoved []json_dataModels.Set, err error) {
 	for _, set := range sets {
-		removed, err := d.Datapoints.RemoveDatapoint(d.Conns, set)
-		if err != nil {
-			return lsRemoved, err
+		if set.Path == "" {
+			if dp, ok := d.Uuids[set.Uuid]; ok {
+				set.Path = dp.Path
+			}
 		}
-		lsRemoved = append(lsRemoved, removed)
-		d.ModifyCountedDatapoints(1, true)
+		lsRemoved, err = d.Datapoints.RemoveDatapoint(d.Conns, set)
+		if err != nil {
+			return
+		}
+		d.ModifyCountedDatapoints(uint64(len(lsRemoved)), true)
 	}
-
-	return lsRemoved, nil
+	return
 }
 
 func (d *DBM) QueryDatapoints(depth uint, uid uuid.UUID, key ...string) []*Datapoint {
@@ -159,8 +161,6 @@ func (d *DBM) GoSystemTime() error {
 
 func (d *DBM) GoSystemMemory() error {
 	path := "System:UsedMemory"
-	var m runtime.MemStats
-	var mOld uint64
 
 	typ := json_dataModels.STR
 	rights := json_dataModels.Read
@@ -172,13 +172,11 @@ func (d *DBM) GoSystemMemory() error {
 
 	go func() {
 		for {
+			var m runtime.MemStats
 			runtime.ReadMemStats(&m)
-			if m.Sys != mOld {
-				mem := fmt.Sprintf("%.2f MB", float64(m.Sys)/1024/1024)
-				if er := d.UpdateDatapointValue(mem, uuid.Nil, path); er != nil {
-					d.Log.Error("dmb.Handler.AddSystemDps.UpdateDatapointValue", er.Error())
-				}
-				mOld = m.Sys
+			mem := fmt.Sprintf("%.2f MB", float64(m.Alloc)/1024/1024)
+			if er := d.UpdateDatapointValue(mem, uuid.Nil, path); er != nil {
+				d.Log.Error("dmb.Handler.AddSystemDps.UpdateDatapointValue", er.Error())
 			}
 			time.Sleep(time.Second)
 		}