diff --git a/aw-design-diagram/onboarding.md b/aw-design-diagram/onboarding.md
index 571c18cf53529649be7aa40de532820b9f2b771a..f1f3d17d3835f979efc3ead5f45570716c0c57a1 100644
--- a/aw-design-diagram/onboarding.md
+++ b/aw-design-diagram/onboarding.md
@@ -27,4 +27,20 @@
         AISBL-- "Credential Issue v2" -->a-afj
         a-TSA["Trust Service API"]
         end
+
+        subgraph vereign[Vereign]
+        vAdmin((Admin))
+        vAdmin-->g-reg
+        v-ocm["OCM Services"]-- Request -->v-afj
+        v-afj-- callback -->v-ocm
+        v-ocm-->v-db[(Database)]
+        AISBL-- "Credential Issue v2" -->v-afj
+        v-TSA["Trust Service API"]
+        end
+
+        subgraph pcm[PCM]
+        p-afj["Mobile Aries Agent"]-- "Registration connection" -->AISBL
+        p-afj-- "Subscription Connection" -->v-afj
+        end
+
 ```