diff --git a/apps/xosclient/src/main/java/org/onosproject/xosclient/api/VtnServiceApi.java b/apps/xosclient/src/main/java/org/onosproject/xosclient/api/VtnServiceApi.java
index 11687f7..47162db 100644
--- a/apps/xosclient/src/main/java/org/onosproject/xosclient/api/VtnServiceApi.java
+++ b/apps/xosclient/src/main/java/org/onosproject/xosclient/api/VtnServiceApi.java
@@ -22,6 +22,20 @@
  */
 public interface VtnServiceApi {
 
+    // TODO move network type to VtnNetwork later
+    enum NetworkType {
+        PRIVATE,
+        PUBLIC,
+        MANAGEMENT
+    }
+
+    enum ServiceType {
+        VSG,
+        OLT_AGENT,
+        MANAGEMENT,
+        DEFAULT
+    }
+
     /**
      * Returns all services list.
      *