+ return self._project.add_project("C,/project-nsd:nsd-catalog/project-nsd:nsd")
+
+
+class NsInstanceConfigSubscriber(core.AbstractConfigSubscriber):
+ """ The network service descriptor DTS handler """
+
+ def key_name(self):
+ return "id"
+
+ def get_xpath(self):
+ return self._project.add_project("C,/nsr:ns-instance-config/nsr:nsr")