diff --git a/.github/workflows/pr-comment.yml b/.github/workflows/pr-comment.yml
new file mode 100644
index 0000000..94bb085
--- /dev/null
+++ b/.github/workflows/pr-comment.yml
@@ -0,0 +1,23 @@
+name: oasdiff PR comment
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+  pull-requests: write
+  statuses: write
+
+jobs:
+  pr-comment:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Check out code
+      uses: actions/checkout@v4
+
+    - name: Post oasdiff PR comment
+      uses: oasdiff/oasdiff-action/pr-comment@v0.0.33
+      with:
+        base: https://raw.githubusercontent.com/${{ github.repository }}/${{ github.base_ref }}/simple.yaml
+        revision: simple.yaml
+        oasdiff-token: 0634345d-02fb-43df-b56a-68fc22253621
diff --git a/simple.yaml b/simple.yaml
index b635d93..4b00e1f 100644
--- a/simple.yaml
+++ b/simple.yaml
@@ -1,7 +1,7 @@
 openapi: 3.0.1
 info:
   title: Tufin
-  version: "3.0"
+  version: "4.0"
 servers:
 - url: https://localhost:8080
 components:
@@ -9,7 +9,7 @@ components:
     groupId:
       in: query
       name: groupId
-      required: false
+      required: true
       schema:
         type: string
   schemas:
@@ -23,16 +23,17 @@ components:
               type: string
               format: date-time
               readOnly: true
-              pattern: "^[a-z]+$"
             id:
               type: string
               readOnly: true
             name:
               type: string
+            description:
+              type: string
           required:
             - name
 paths:
-  /api/v1.0/groups:
+  /api/v1.2/groups:
     post:
       tags:
        - Group
@@ -51,10 +52,19 @@ paths:
               schema:
                 $ref: '#/components/schemas/GroupView'
           description: SUCCESS
-        "400":
+      summary: Create a Project
+  /api/v1.0/groups/{groupId}:
+    get:
+      tags:
+       - Group
+      operationId: getOneGroup
+      parameters:
+        - $ref: '#/components/parameters/groupId'
+      responses:
+        "200":
           content:
             application/json:
               schema:
                 $ref: '#/components/schemas/GroupView'
-          description: Conflict
-      summary: Create a Project
+          description: SUCCESS
+      summary: Get a Project