diff --git a/xos-services/exampleservice/templates/_tosca.tpl b/xos-services/exampleservice/templates/_tosca.tpl
index eeb8e20..0c485d8 100644
--- a/xos-services/exampleservice/templates/_tosca.tpl
+++ b/xos-services/exampleservice/templates/_tosca.tpl
@@ -25,6 +25,8 @@
    - custom_types/network.yaml
    - custom_types/networktemplate.yaml
    - custom_types/networkslice.yaml
+   - custom_types/openstackservice.yaml
+   - custom_types/trustdomain.yaml
    - custom_types/exampleservice.yaml
    - custom_types/exampleserviceinstance.yaml
 
@@ -32,6 +34,20 @@
 
 topology_template:
   node_templates:
+    service#openstack:
+      type: tosca.nodes.OpenStackService
+      properties:
+          name: "OpenStack"
+          must-exist: true
+
+    untrusted_trustdomain:
+      type: tosca.nodes.TrustDomain
+      properties:
+        name: "untrusted-openstack"
+      requirements:
+        - owner:
+            node: service#openstack
+            relationship: tosca.relationships.BelongsToOne
 
 # site, image, fully created in deployment.yaml
     mysite:
@@ -109,6 +125,9 @@
           - default_flavor:
               node: m1.small
               relationship: tosca.relationships.BelongsToOne
+          - trust_domain:
+              node: untrusted_trustdomain
+              relationship: tosca.relationships.BelongsToOne
 
 # ExampleService NetworkSlices
     exampleservice_slice_management_network: