Create README.md

Author: NayeemKaka

Integration/Scripted REST Api/Group Membership API/README.md

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+# Group Membership API- Scripted REST API
+## Overview
+This API provides a simple, secure way to reterive all members of a specified user group in ServiceNow. It allows integrations, Service Portal widgets, or external systems to query group membership without giving direct access to user tables
+
+### API Details
+- **API Name**: Group Membership API
+- **API ID**: group_membership_api
+- **ResourceName**: Members
+- **Relative Path**: /members
+- **HTTP Method**: GET
+- **Query Parameter**: groupName (required)
+
+## Request Format
+
+### Example Request
+GET https://<instance>.service-now.com/api/1819147/group_membership_api/members?groupName=Hardware
+
+### Example Response
+```json
+{
+   {
+  "result": {
+    "groupName": "Hardware",
+    "totalMembers": 7,
+    "member": [
+      {
+        "userName": "beth.anglin",
+        "displayName": "Beth Anglin",
+        "email": "beth.anglin@example.com",
+        "active": "true"
+      },
+      {
+        "userName": "itil",
+        "displayName": "ITIL User",
+        "email": "itil@example.com",
+        "active": "true"
+      },
+      {
+        "userName": "bow.ruggeri",
+        "displayName": "Bow Ruggeri",
+        "email": "bow.ruggeri@example.com",
+        "active": "true"
+      },
+      {
+        "userName": "david.dan",
+        "displayName": "David Dan",
+        "email": "david.dan@example.com",
+        "active": "true"
+      },
+      {
+        "userName": "david.loo",
+        "displayName": "David Loo",
+        "email": "david.loo@example.com",
+        "active": "true"
+      },
+      {
+        "userName": "don.goodliffe",
+        "displayName": "Don Goodliffe",
+        "email": "don.goodliffe@example.com",
+        "active": "true"
+      },
+      {
+        "userName": "fred.luddy",
+        "displayName": "Fred Luddy",
+        "email": "fred.luddy@example.com",
+        "active": "true"
+      }
+    ]
+  }
+}
+
+}