diff --git a/src/openapi/container/abt-container-notifications.yaml b/src/openapi/container/abt-container-notifications.yaml
index 3ab27d0..41f0ff4 100644
--- a/src/openapi/container/abt-container-notifications.yaml
+++ b/src/openapi/container/abt-container-notifications.yaml
@@ -11,6 +11,8 @@ tags:
     description: >-
       Service Engine APIs for the HTM Notification preferences for a category for a user. 
       Contains a full list on event type channel level.
+security:
+  - oAuthSample: [profile]
 paths:
   /customers/{customerProfileId}/notificationpreferences:
     parameters:
@@ -1829,6 +1831,15 @@ paths:
                     ],
                 }
 components:
+  securitySchemes:
+    oAuthSample:  
+      type: oauth2
+      description: This API uses OAuth 2 with the clientCredentials flow. [More info](https://api.example.com/docs/auth)
+      flows:
+        clientCredentials:   # <---- OAuth flow( clientCredentials)
+          tokenUrl: https://identity.{{env}}.api.htm.nl/oauth2/token
+          scopes:
+            profile
   schemas:
     unavailable:
       type: object
diff --git a/src/openapi/container/abt-container-tokens.yaml b/src/openapi/container/abt-container-tokens.yaml
index f6756ad..dc5b48f 100644
--- a/src/openapi/container/abt-container-tokens.yaml
+++ b/src/openapi/container/abt-container-tokens.yaml
@@ -6,6 +6,8 @@ info:
   version: "1.0"
 servers:
   - url: https://services.acc.api.htm.nl/abt/containertokens/1.0
+security:
+  - oAuthSample: [profile]
 tags:
   - name: tokens
 paths:
@@ -296,6 +298,15 @@ paths:
               example:
                 error: An unknown error has occurred
 components:
+  securitySchemes:
+    oAuthSample:  
+      type: oauth2
+      description: This API uses OAuth 2 with the clientCredentials flow. [More info](https://api.example.com/docs/auth)
+      flows:
+        clientCredentials:   # <---- OAuth flow( clientCredentials)
+          tokenUrl: https://identity.{{env}}.api.htm.nl/oauth2/token
+          scopes:
+            profile
   schemas:
     unavailable:
       type: object