diff --git a/examples/authentication-oauth2-secret.yaml b/examples/authentication-oauth2-secret.yaml
new file mode 100644
index 00000000..635076ab
--- /dev/null
+++ b/examples/authentication-oauth2-secret.yaml
@@ -0,0 +1,18 @@
+document:
+  dsl: 1.0.0-alpha1
+  namespace: examples
+  name: oauth2-authentication
+  version: 1.0.0-alpha1
+use:
+  secrets:
+  - mySecret
+do:
+  - getPet:
+      call: http
+      with:
+        method: get
+        endpoint:
+          uri: https://petstore.swagger.io/v2/pet/{petId}
+          authentication:
+            oauth2:
+              use: mySecret
\ No newline at end of file
diff --git a/examples/authentication-oidc-secret.yaml b/examples/authentication-oidc-secret.yaml
new file mode 100644
index 00000000..19c387c1
--- /dev/null
+++ b/examples/authentication-oidc-secret.yaml
@@ -0,0 +1,18 @@
+document:
+  dsl: 1.0.0-alpha1
+  namespace: examples
+  name: oidc-authentication
+  version: 1.0.0-alpha1
+use:
+  secrets:
+  - mySecret
+do:
+  - getPet:
+      call: http
+      with:
+        method: get
+        endpoint:
+          uri: https://petstore.swagger.io/v2/pet/{petId}
+          authentication:
+            oidc:
+              use: mySecret
\ No newline at end of file
diff --git a/schema/workflow.yaml b/schema/workflow.yaml
index 164f59d1..eca64cb9 100644
--- a/schema/workflow.yaml
+++ b/schema/workflow.yaml
@@ -924,6 +924,7 @@ $defs:
             - type: object
               title: OAuth2ConnectAuthenticationProperties
               description: The inline configuration of the OAuth2 authentication policy.
+              unevaluatedProperties: false
               allOf:
                 - $ref: '#/$defs/oauth2AuthenticationProperties'
                 - type: object
@@ -967,6 +968,7 @@ $defs:
             - $ref: '#/$defs/oauth2AuthenticationProperties'
               title: OpenIdConnectAuthenticationProperties
               description: The inline configuration of the OpenIdConnect authentication policy.
+              unevaluatedProperties: false
             - $ref: '#/$defs/secretBasedAuthenticationPolicy'
               title: OpenIdConnectAuthenticationPolicySecret
               description: Secret based configuration of the OpenIdConnect authentication policy.