diff --git a/src/xhrInterceptor/responseModifiers/demo.js b/src/xhrInterceptor/responseModifiers/demo.js
new file mode 100644
index 0000000..5839207
--- /dev/null
+++ b/src/xhrInterceptor/responseModifiers/demo.js
@@ -0,0 +1,18 @@
+export default {
+  urlRegex: /api\/ViewForum/i,
+  featureGated: true,
+  features: ['demo1', 'demo2'],
+  isEnabled(features) {
+    return features['demo1'] || features['demo2'];
+  },
+  interceptor(_request, _response) {
+    return Promise.resolve({
+      1: {
+        2: [],
+        4: 0,
+        6: {},
+        7: {},
+      },
+    });
+  },
+};