diff --git a/examples/pokedex/adapter.js b/examples/pokedex/adapter.js
index af541f5e..8e8ea9b4 100644
--- a/examples/pokedex/adapter.js
+++ b/examples/pokedex/adapter.js
@@ -214,6 +214,14 @@ function reqToJson(req, requestTime) {
     jsonBody: jsonBody,
   };
 }
+
+function paramsToObject(entries) {
+  const result = {};
+  for (const [key, value] of entries) {
+    result[key] = value;
+  }
+  return result;
+}
 `;
 }