+ <xml-element java-attribute="createdAt" name="created-at" required="false" type="java.lang.String">
+ <xml-properties>
+ <xml-property name="description" value="create time of Network Service." />
+ </xml-properties>
+ </xml-element>
+ <xml-element java-attribute="updatedAt" name="updated-at" required="false" type="java.lang.String">
+ <xml-properties>
+ <xml-property name="description" value="last update of Network Service." />
+ </xml-properties>
+ </xml-element>
+ <xml-element java-attribute="description" name="description" required="false" type="java.lang.String">
+ <xml-properties>
+ <xml-property name="description" value="short description for service-instance." />
+ </xml-properties>
+ </xml-element>
+ <!-- for storing the nsd_id create edge between services -->