diff --git a/configs/seba-ponsim-latest.yaml b/configs/seba-ponsim-latest.yaml
index 03f8006..66de913 100644
--- a/configs/seba-ponsim-latest.yaml
+++ b/configs/seba-ponsim-latest.yaml
@@ -99,6 +99,15 @@
   # this is mandatory, it's needed to correctly configure the kafka endpoint
   kafkaService: cord-kafka
 
+# in workflow/tt-workflow service chart
+tt-workflow-driver:
+  image:
+    repository: andybavier/test-image-synchronizer
+    tag: tt-workflow-driver
+
+  # this is mandatory, it's needed to correctly configure the kafka endpoint
+  kafkaService: cord-kafka
+
 # ONOS applications
 aaaAppUrl: "https://oss.sonatype.org/content/repositories/snapshots/org/opencord/aaa/1.8.0-SNAPSHOT/aaa-1.8.0-20181129.184849-116.oar"
 aaaAppVersion: "1.8.0.SNAPSHOT"
diff --git a/configs/seba-ponsim.yaml b/configs/seba-ponsim.yaml
index 911c9bb..b3753fa 100644
--- a/configs/seba-ponsim.yaml
+++ b/configs/seba-ponsim.yaml
@@ -24,3 +24,12 @@
 att-workflow-driver:
   # this is mandatory, it's needed to correctly configure the kafka endpoint
   kafkaService: cord-kafka
+
+# in workflow/tt-workflow service chart
+tt-workflow-driver:
+  image:
+    repository: andybavier/test-image-synchronizer
+    tag: tt-workflow-driver
+
+  # this is mandatory, it's needed to correctly configure the kafka endpoint
+  kafkaService: cord-kafka
diff --git a/workflows/att-workflow/Chart.yaml b/workflows/att-workflow/Chart.yaml
index 4595d92..21c719a 100644
--- a/workflows/att-workflow/Chart.yaml
+++ b/workflows/att-workflow/Chart.yaml
@@ -17,7 +17,7 @@
 name: att-workflow
 description: A Helm chart for XOS's "att-workflow"
 icon: https://guide.opencord.org/logos/cord.svg
-version: 1.0.6
+version: 1.1.0
 
 # xosproject/tosca-loader version
 appVersion: 1.1.7
diff --git a/workflows/att-workflow/templates/_tosca.tpl b/workflows/att-workflow/templates/_tosca.tpl
index b919834..32c2a68 100644
--- a/workflows/att-workflow/templates/_tosca.tpl
+++ b/workflows/att-workflow/templates/_tosca.tpl
@@ -21,6 +21,7 @@
   - custom_types/attworkflowdriverservice.yaml
   - custom_types/voltservice.yaml
   - custom_types/servicedependency.yaml
+  - custom_types/servicegraphconstraint.yaml
 description: att-workflow-driver service graph
 topology_template:
   node_templates:
@@ -50,4 +51,60 @@
         - provider_service:
             node: service#volt
             relationship: tosca.relationships.BelongsToOne
+
+    constraints:
+      type: tosca.nodes.ServiceGraphConstraint
+      properties:
+        constraints: '[[null, "rcord", null], [null, "volt", null], ["onos", "fabric-crossconnect", "att-workflow-driver"], ["fabric", null, null]]'
+{{- end -}}
+
+{{- define "att-workflow.onosTosca" -}}
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+imports:
+   - custom_types/onosapp.yaml
+   - custom_types/onosservice.yaml
+   - custom_types/serviceinstanceattribute.yaml
+
+description: Configures workflow-specific ONOS apps
+
+topology_template:
+  node_templates:
+
+    service#onos:
+      type: tosca.nodes.ONOSService
+      properties:
+          name: onos
+          must-exist: true
+
+    onos_app#aaa:
+      type: tosca.nodes.ONOSApp
+      properties:
+        name: aaa
+        app_id: org.opencord.aaa
+        url: {{ .Values.aaaAppUrl }}
+        version: {{ .Values.aaaAppVersion }}
+        dependencies: org.opencord.sadis
+      requirements:
+        - owner:
+            node: service#onos
+            relationship: tosca.relationships.BelongsToOne
+
+    aaa-config-attr:
+      type: tosca.nodes.ServiceInstanceAttribute
+      properties:
+        name: /onos/v1/network/configuration/apps/org.opencord.aaa
+        value: >
+          {
+            "AAA" : {
+              "radiusConnectionType" : "socket",
+              "radiusHost" : "freeradius.voltha.svc.cluster.local",
+              "radiusServerPort" : "1812",
+              "radiusSecret" : "SECRET"
+            }
+          }
+      requirements:
+        - service_instance:
+            node: onos_app#aaa
+            relationship: tosca.relationships.BelongsToOne
 {{- end -}}
diff --git a/workflows/att-workflow/templates/tosca-configmap.yaml b/workflows/att-workflow/templates/tosca-configmap.yaml
index 9fc6add..ec4a064 100644
--- a/workflows/att-workflow/templates/tosca-configmap.yaml
+++ b/workflows/att-workflow/templates/tosca-configmap.yaml
@@ -21,5 +21,7 @@
 data:
   010-fixtures.yaml: |
 {{ include "att-workflow-driver.serviceTosca"  (index .Values "att-workflow-driver") | indent 4 }}
+  100-onos-apps.yaml: |
+{{ include "att-workflow.onosTosca" . | indent 4 }}
   300-service-graph.yaml: |
 {{ include "att-workflow.serviceGraphTosca" . | indent 4 }}
diff --git a/workflows/att-workflow/values.yaml b/workflows/att-workflow/values.yaml
index 52d1556..88e4da4 100644
--- a/workflows/att-workflow/values.yaml
+++ b/workflows/att-workflow/values.yaml
@@ -35,3 +35,7 @@
 
 xosAdminUser: "admin@opencord.org"
 xosAdminPassword: "letmein"
+
+# ONOS applications
+aaaAppUrl: "https://oss.sonatype.org/service/local/repositories/releases/content/org/opencord/aaa/1.8.0/aaa-1.8.0.oar"
+aaaAppVersion: "1.8.0"
diff --git a/workflows/tt-workflow/Chart.yaml b/workflows/tt-workflow/Chart.yaml
new file mode 100644
index 0000000..f41e810
--- /dev/null
+++ b/workflows/tt-workflow/Chart.yaml
@@ -0,0 +1,23 @@
+---
+# Copyright 2018-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: v1
+name: tt-workflow
+description: A Helm chart for XOS's "tt-workflow"
+icon: https://guide.opencord.org/logos/cord.svg
+version: 0.1.0-dev
+
+# xosproject/tosca-loader version
+appVersion: 1.1.7
diff --git a/workflows/tt-workflow/requirements.yaml b/workflows/tt-workflow/requirements.yaml
new file mode 100644
index 0000000..a2eb7d5
--- /dev/null
+++ b/workflows/tt-workflow/requirements.yaml
@@ -0,0 +1,19 @@
+---
+# Copyright 2018-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+dependencies:
+- name: tt-workflow-driver
+  version: 0.1.0-dev
+  repository: file://../../xos-services/tt-workflow-driver
diff --git a/workflows/tt-workflow/templates/_helpers.tpl b/workflows/tt-workflow/templates/_helpers.tpl
new file mode 100644
index 0000000..c69782b
--- /dev/null
+++ b/workflows/tt-workflow/templates/_helpers.tpl
@@ -0,0 +1,47 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Copyright 2018-present Open Networking Foundation
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "tt-workflow.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "tt-workflow.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "tt-workflow.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
diff --git a/workflows/tt-workflow/templates/_tosca.tpl b/workflows/tt-workflow/templates/_tosca.tpl
new file mode 100644
index 0000000..17603bc
--- /dev/null
+++ b/workflows/tt-workflow/templates/_tosca.tpl
@@ -0,0 +1,59 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Copyright 2018-present Open Networking Foundation
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/}}
+
+{{- define "tt-workflow.serviceGraphTosca" -}}
+tosca_definitions_version: tosca_simple_yaml_1_0
+imports:
+  - custom_types/ttworkflowdriverservice.yaml
+  - custom_types/voltservice.yaml
+  - custom_types/servicedependency.yaml
+  - custom_types/servicegraphconstraint.yaml
+description: tt-workflow-driver service graph
+topology_template:
+  node_templates:
+
+# These services must be defined before loading the graph
+
+    service#volt:
+      type: tosca.nodes.VOLTService
+      properties:
+        name: volt
+        must-exist: true
+
+    service#tt-workflow-driver:
+      type: tosca.nodes.TtWorkflowDriverService
+      properties:
+        name: tt-workflow-driver
+        must-exist: true
+
+    service_dependency#workflow_volt:
+      type: tosca.nodes.ServiceDependency
+      properties:
+        connect_method: none
+      requirements:
+        - subscriber_service:
+            node: service#tt-workflow-driver
+            relationship: tosca.relationships.BelongsToOne
+        - provider_service:
+            node: service#volt
+            relationship: tosca.relationships.BelongsToOne
+
+    constraints:
+      type: tosca.nodes.ServiceGraphConstraint
+      properties:
+        constraints: '[[null, "rcord", null], [null, "volt", null], ["onos", "fabric-crossconnect", "tt-workflow-driver"], ["fabric", null, null]]'
+{{- end -}}
diff --git a/workflows/tt-workflow/templates/tosca-configmap.yaml b/workflows/tt-workflow/templates/tosca-configmap.yaml
new file mode 100644
index 0000000..10adbbb
--- /dev/null
+++ b/workflows/tt-workflow/templates/tosca-configmap.yaml
@@ -0,0 +1,25 @@
+---
+
+# Copyright 2018-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: tt-workflow-tosca
+data:
+  010-fixtures.yaml: |
+{{ include "tt-workflow-driver.serviceTosca"  (index .Values "tt-workflow-driver") | indent 4 }}
+  300-service-graph.yaml: |
+{{ include "tt-workflow.serviceGraphTosca" . | indent 4 }}
diff --git a/workflows/tt-workflow/templates/tosca-job.yaml b/workflows/tt-workflow/templates/tosca-job.yaml
new file mode 100644
index 0000000..5596dbe
--- /dev/null
+++ b/workflows/tt-workflow/templates/tosca-job.yaml
@@ -0,0 +1,55 @@
+---
+
+# Copyright 2018-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: {{ template "tt-workflow.fullname" . }}-tosca-loader
+  labels:
+    app: {{ template "tt-workflow.name" . }}
+    chart: {{ template "tt-workflow.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  backoffLimit: 12
+  template:
+    metadata:
+      labels:
+        app: {{ template "tt-workflow.name" . }}
+        release: {{ .Release.Name }}
+      annotations:
+        checksum/config: {{ include (print $.Template.BasePath "/tosca-configmap.yaml") . | sha256sum }}
+    spec:
+      restartPolicy: OnFailure
+      containers:
+        - name: {{ .Chart.Name }}-tosca-loader
+          image: {{ .Values.global.registry }}{{ .Values.images.tosca_loader.repository }}:{{ tpl .Values.images.tosca_loader.tag . }}
+          imagePullPolicy: {{ .Values.images.tosca_loader.pullPolicy }}
+          env:
+            - name: XOS_USER
+              value: {{ .Values.xosAdminUser }}
+            - name: XOS_PASSWD
+              valueFrom:
+                secretKeyRef:
+                  name: xos-admin-passwd-secret
+                  key: password
+          volumeMounts:
+            - name: tt-workflow-tosca
+              mountPath: /opt/tosca
+      volumes:
+        - name: tt-workflow-tosca
+          configMap:
+            name: tt-workflow-tosca
diff --git a/workflows/tt-workflow/values.yaml b/workflows/tt-workflow/values.yaml
new file mode 100644
index 0000000..61cea53
--- /dev/null
+++ b/workflows/tt-workflow/values.yaml
@@ -0,0 +1,37 @@
+---
+# Copyright 2018-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Default values for the tt-workflow profile.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+
+nameOverride: ""
+fullnameOverride: ""
+
+images:
+  tosca_loader:
+    repository: 'xosproject/tosca-loader'
+    tag: '{{ .Chart.AppVersion }}'
+    pullPolicy: 'Always'
+
+global:
+  registry: ""
+
+tt-workflow-driver:
+  kafkaService: "cord-platform-kafka"
+
+xosAdminUser: "admin@opencord.org"
+xosAdminPassword: "letmein"
diff --git a/xos-profiles/ponsim-pod/Chart.yaml b/xos-profiles/ponsim-pod/Chart.yaml
index 4a1256c..9e47a34 100644
--- a/xos-profiles/ponsim-pod/Chart.yaml
+++ b/xos-profiles/ponsim-pod/Chart.yaml
@@ -17,7 +17,7 @@
 description: A Helm chart for loading the Ponsim pod's TOSCA files into XOS
 icon: https://guide.opencord.org/logos/xos.svg
 
-version: 1.0.1
+version: 1.1.0
 
 # xosproject/tosca-loader version
 appVersion: 1.1.5
diff --git a/xos-profiles/ponsim-pod/templates/tosca-configmap.yaml b/xos-profiles/ponsim-pod/templates/tosca-configmap.yaml
index 531715d..265c40a 100644
--- a/xos-profiles/ponsim-pod/templates/tosca-configmap.yaml
+++ b/xos-profiles/ponsim-pod/templates/tosca-configmap.yaml
@@ -19,4 +19,6 @@
 metadata:
   name: ponsim-pod-tosca
 data:
+{{- $workflowpath := printf "tosca/%s/*" .Values.workflow }}
+{{ (.Files.Glob $workflowpath).AsConfig | indent 2 }}
 {{ (.Files.Glob "tosca/*").AsConfig | indent 2 }}
\ No newline at end of file
diff --git a/xos-profiles/ponsim-pod/tosca/030-fabric.yaml b/xos-profiles/ponsim-pod/tosca/030-fabric.yaml
index 912cd36..ce3dda8 100644
--- a/xos-profiles/ponsim-pod/tosca/030-fabric.yaml
+++ b/xos-profiles/ponsim-pod/tosca/030-fabric.yaml
@@ -22,7 +22,7 @@
   - custom_types/bngportmapping.yaml
   - custom_types/serviceinstanceattribute.yaml
 
-description: Configures the Ponsim SEBA POD with AT&T workflow
+description: Configures the Ponsim SEBA POD fabric
 
 topology_template:
   node_templates:
diff --git a/xos-profiles/ponsim-pod/tosca/010-att-workflow.yaml b/xos-profiles/ponsim-pod/tosca/att-workflow/010-att-workflow.yaml
similarity index 100%
rename from xos-profiles/ponsim-pod/tosca/010-att-workflow.yaml
rename to xos-profiles/ponsim-pod/tosca/att-workflow/010-att-workflow.yaml
diff --git a/xos-profiles/ponsim-pod/tosca/tt-workflow/010-tt-workflow.yaml b/xos-profiles/ponsim-pod/tosca/tt-workflow/010-tt-workflow.yaml
new file mode 100644
index 0000000..c7a0bd7
--- /dev/null
+++ b/xos-profiles/ponsim-pod/tosca/tt-workflow/010-tt-workflow.yaml
@@ -0,0 +1,43 @@
+---
+# Copyright 2018-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# curl -H "xos-username: admin@opencord.org" -H "xos-password: letmein" -X POST --data-binary 010-tt-workflow.yaml http://10.90.0.101:30007/run
+
+tosca_definitions_version: tosca_simple_yaml_1_0
+imports:
+  - custom_types/servicedependency.yaml
+  - custom_types/voltservice.yaml
+  - custom_types/ttworkflowdriverwhitelistentry.yaml
+  - custom_types/ttworkflowdriverservice.yaml
+description: Create an instance of the OSS Service and connect it to the vOLT Service
+topology_template:
+  node_templates:
+
+    service#tt:
+      type: tosca.nodes.TtWorkflowDriverService
+      properties:
+        name: tt-workflow-driver
+        must-exist: true
+
+    whitelist:
+      type: tosca.nodes.TtWorkflowDriverWhiteListEntry
+      properties:
+        serial_number: PSMO12345678
+        device_id: of:0000aabbccddeeff
+        pon_port_id: 1
+      requirements:
+        - owner:
+            node: service#tt
+            relationship: tosca.relationships.BelongsToOne
diff --git a/xos-profiles/ponsim-pod/values.yaml b/xos-profiles/ponsim-pod/values.yaml
index e6ac302..d594ce5 100644
--- a/xos-profiles/ponsim-pod/values.yaml
+++ b/xos-profiles/ponsim-pod/values.yaml
@@ -32,3 +32,6 @@
 
 xosAdminUser: "admin@opencord.org"
 xosAdminPassword: "letmein"
+
+# Supported workflows: att-workflow (AT&T) or tt-workflow (Turk Telekom)
+workflow: att-workflow
diff --git a/xos-profiles/seba-services/Chart.yaml b/xos-profiles/seba-services/Chart.yaml
index ea665e8..917a223 100644
--- a/xos-profiles/seba-services/Chart.yaml
+++ b/xos-profiles/seba-services/Chart.yaml
@@ -17,7 +17,7 @@
 name: seba-services
 description: A Helm chart for XOS's "SEBA" profile
 icon: https://guide.opencord.org/logos/cord.svg
-version: 1.0.9
+version: 1.1.0
 
 # xosproject/tosca-loader version
 appVersion: 1.1.7
diff --git a/xos-profiles/seba-services/templates/_tosca.tpl b/xos-profiles/seba-services/templates/_tosca.tpl
index 1e4ca3c..cb329b4 100644
--- a/xos-profiles/seba-services/templates/_tosca.tpl
+++ b/xos-profiles/seba-services/templates/_tosca.tpl
@@ -93,19 +93,6 @@
             node: service#onos
             relationship: tosca.relationships.BelongsToOne
 
-    onos_app#aaa:
-      type: tosca.nodes.ONOSApp
-      properties:
-        name: aaa
-        app_id: org.opencord.aaa
-        url: {{ .aaaAppUrl }}
-        version: {{ .aaaAppVersion }}
-        dependencies: org.opencord.sadis
-      requirements:
-        - owner:
-            node: service#onos
-            relationship: tosca.relationships.BelongsToOne
-
     onos_app#kafka:
       type: tosca.nodes.ONOSApp
       properties:
@@ -113,7 +100,6 @@
         app_id: org.opencord.kafka
         url: {{ .kafkaAppUrl }}
         version: {{ .kafkaAppVersion }}
-        dependencies: org.opencord.olt,org.opencord.aaa,org.opencord.dhcpl2relay
       requirements:
         - owner:
             node: service#onos
@@ -148,24 +134,6 @@
             node: onos_app#olt
             relationship: tosca.relationships.BelongsToOne
 
-    aaa-config-attr:
-      type: tosca.nodes.ServiceInstanceAttribute
-      properties:
-        name: /onos/v1/network/configuration/apps/org.opencord.aaa
-        value: >
-          {
-            "AAA" : {
-              "radiusConnectionType" : "socket",
-              "radiusHost" : "freeradius.voltha.svc.cluster.local",
-              "radiusServerPort" : "1812",
-              "radiusSecret" : "SECRET"
-            }
-          }
-      requirements:
-        - service_instance:
-            node: onos_app#aaa
-            relationship: tosca.relationships.BelongsToOne
-
     sadis-config-attr:
       type: tosca.nodes.ServiceInstanceAttribute
       properties:
@@ -389,9 +357,4 @@
         - provider_service:
             node: service#onos
             relationship: tosca.relationships.BelongsToOne
-
-    constraints:
-      type: tosca.nodes.ServiceGraphConstraint
-      properties:
-        constraints: '[[null, "rcord", null], [null, "volt", null], ["onos", "fabric-crossconnect", "att-workflow-driver"], ["fabric", null, null]]'
 {{- end -}}
diff --git a/xos-profiles/seba-services/values.yaml b/xos-profiles/seba-services/values.yaml
index ec65381..fce29c4 100644
--- a/xos-profiles/seba-services/values.yaml
+++ b/xos-profiles/seba-services/values.yaml
@@ -40,9 +40,6 @@
 xosAdminPassword: "letmein"
 
 # ONOS applications
-aaaAppUrl: "https://oss.sonatype.org/service/local/repositories/releases/content/org/opencord/aaa/1.8.0/aaa-1.8.0.oar"
-aaaAppVersion: "1.8.0"
-
 sadisAppUrl: "https://oss.sonatype.org/service/local/repositories/releases/content/org/opencord/sadis-app/2.2.0/sadis-app-2.2.0.oar"
 sadisAppVersion: "2.2.0"
 
@@ -62,4 +59,4 @@
 fabric:
   enabled: true
 onos-service:
-  enabled: true
\ No newline at end of file
+  enabled: true
diff --git a/xos-services/tt-workflow-driver/.helmignore b/xos-services/tt-workflow-driver/.helmignore
new file mode 100644
index 0000000..f0c1319
--- /dev/null
+++ b/xos-services/tt-workflow-driver/.helmignore
@@ -0,0 +1,21 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
diff --git a/xos-services/tt-workflow-driver/Chart.yaml b/xos-services/tt-workflow-driver/Chart.yaml
new file mode 100644
index 0000000..5fb038a
--- /dev/null
+++ b/xos-services/tt-workflow-driver/Chart.yaml
@@ -0,0 +1,21 @@
+---
+# Copyright 2018-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: tt-workflow-driver
+description: A Helm chart for XOS's "tt-workflow-driver" service
+icon: https://guide.opencord.org/logos/cord.svg
+
+version: 0.1.0-dev
+appVersion: 0.1.0-dev
diff --git a/xos-services/tt-workflow-driver/templates/_helpers.tpl b/xos-services/tt-workflow-driver/templates/_helpers.tpl
new file mode 100644
index 0000000..344fc5c
--- /dev/null
+++ b/xos-services/tt-workflow-driver/templates/_helpers.tpl
@@ -0,0 +1,80 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Copyright 2018-present Open Networking Foundation
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "tt-workflow-driver.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "tt-workflow-driver.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "tt-workflow-driver.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{- define "tt-workflow-driver.serviceConfig" -}}
+name: tt-workflow-driver
+accessor:
+  username: {{ .Values.xosAdminUser | quote }}
+  password: {{ .Values.xosAdminPassword | quote }}
+  endpoint: {{ .Values.xosCoreService | quote }}
+event_bus:
+  endpoint: {{ .Values.kafkaService | quote }}
+  kind: kafka
+logging:
+  version: 1
+  handlers:
+    console:
+      class: logging.StreamHandler
+    file:
+      class: logging.handlers.RotatingFileHandler
+      filename: /var/log/xos.log
+      maxBytes: 10485760
+      backupCount: 5
+    kafka:
+      class: kafkaloghandler.KafkaLogHandler
+      bootstrap_servers:
+        - "{{ .Values.kafkaService }}:9092"
+      topic: xos.log.tt-workflow-driver
+  loggers:
+    '':
+      handlers:
+        - console
+        - file
+        - kafka
+      level: DEBUG
+{{- end -}}
diff --git a/xos-services/tt-workflow-driver/templates/_tosca.tpl b/xos-services/tt-workflow-driver/templates/_tosca.tpl
new file mode 100644
index 0000000..1b3588d
--- /dev/null
+++ b/xos-services/tt-workflow-driver/templates/_tosca.tpl
@@ -0,0 +1,30 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Copyright 2018-present Open Networking Foundation
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/}}
+{{- define "tt-workflow-driver.serviceTosca" -}}
+tosca_definitions_version: tosca_simple_yaml_1_0
+description: Set up tt-workflow-driver service
+imports:
+  - custom_types/ttworkflowdriverservice.yaml
+
+topology_template:
+  node_templates:
+    service#tt-workflow-driver:
+      type: tosca.nodes.TtWorkflowDriverService
+      properties:
+        name: tt-workflow-driver
+        kind: oss
+{{- end -}}
diff --git a/xos-services/tt-workflow-driver/templates/configmap.yaml b/xos-services/tt-workflow-driver/templates/configmap.yaml
new file mode 100644
index 0000000..0035330
--- /dev/null
+++ b/xos-services/tt-workflow-driver/templates/configmap.yaml
@@ -0,0 +1,22 @@
+---
+# Copyright 2018-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: tt-workflow-driver
+data:
+  serviceConfig: |
+{{ include "tt-workflow-driver.serviceConfig" . | indent 4 }}
diff --git a/xos-services/tt-workflow-driver/templates/deployment.yaml b/xos-services/tt-workflow-driver/templates/deployment.yaml
new file mode 100644
index 0000000..1cdea92
--- /dev/null
+++ b/xos-services/tt-workflow-driver/templates/deployment.yaml
@@ -0,0 +1,77 @@
+---
+
+# Copyright 2018-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  name: {{ template "tt-workflow-driver.fullname" . }}
+  labels:
+    app: {{ template "tt-workflow-driver.name" . }}
+    chart: {{ template "tt-workflow-driver.chart" . }}
+    release: {{ .Release.Name }}
+    heritage: {{ .Release.Service }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app: {{ template "tt-workflow-driver.name" . }}
+      release: {{ .Release.Name }}
+  template:
+    metadata:
+      labels:
+        app: {{ template "tt-workflow-driver.name" . }}
+        release: {{ .Release.Name }}
+      annotations:
+        checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
+    spec:
+      containers:
+        - name: {{ .Chart.Name }}
+          image: {{ .Values.global.registry }}{{ .Values.image.repository }}:{{ tpl .Values.image.tag . }}
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          resources:
+{{ toYaml .Values.resources | indent 12 }}
+          volumeMounts:
+            - name: tt-workflow-driver-config
+              mountPath: /opt/xos/synchronizers/tt-workflow-driver/mounted_config.yaml
+              subPath: mounted_config.yaml
+            - name: certchain-volume
+              mountPath: /usr/local/share/ca-certificates/local_certs.crt
+              subPath: config/ca_cert_chain.pem
+      volumes:
+        - name: tt-workflow-driver-config
+          configMap:
+            name: tt-workflow-driver
+            items:
+              - key: serviceConfig
+                path: mounted_config.yaml
+        - name: certchain-volume
+          configMap:
+            name: ca-certificates
+            items:
+              - key: chain
+                path: config/ca_cert_chain.pem
+    {{- with .Values.nodeSelector }}
+      nodeSelector:
+{{ toYaml . | indent 8 }}
+    {{- end }}
+    {{- with .Values.affinity }}
+      affinity:
+{{ toYaml . | indent 8 }}
+    {{- end }}
+    {{- with .Values.tolerations }}
+      tolerations:
+{{ toYaml . | indent 8 }}
+    {{- end }}
diff --git a/xos-services/tt-workflow-driver/values.yaml b/xos-services/tt-workflow-driver/values.yaml
new file mode 100644
index 0000000..c8c1b83
--- /dev/null
+++ b/xos-services/tt-workflow-driver/values.yaml
@@ -0,0 +1,45 @@
+---
+# Copyright 2018-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Default values for the tt-workflow-driver service
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+replicaCount: 1
+
+nameOverride: ""
+fullnameOverride: ""
+
+image:
+  repository: 'xosproject/tt-workflow-driver-synchronizer'
+  tag: '{{ .Chart.AppVersion }}'
+  pullPolicy: 'Always'
+
+global:
+  registry: ''
+
+xosAdminUser: "admin@opencord.org"
+xosAdminPassword: "letmein"
+xosCoreService: "xos-core:50051"
+
+kafkaService: "cord-kafka"
+
+resources: {}
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}