diff --git a/xos/metronetworkservice-onboard.yaml b/xos/metronetworkservice-onboard.yaml
new file mode 100644
index 0000000..b8a966d
--- /dev/null
+++ b/xos/metronetworkservice-onboard.yaml
@@ -0,0 +1,20 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: Onboard the metronetwork service
+
+imports:
+   - custom_types/xos.yaml
+
+topology_template:
+  node_templates:
+    metronetwork:
+      type: tosca.nodes.ServiceController
+      properties:
+          base_url: file:///opt/xos_services/metro-net/xos/
+          # The following will concatenate with base_url automatically, if
+          # base_url is non-null.
+          models: models.py
+          admin: admin.py
+          rest_service: api/service/metronetworkservice.py
+          synchronizer: synchronizer/manifest
+          synchronizer_run: metronetworkervice-synchronizer.py
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