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+---
+'@backstage/create-app': patch
+---
+
+Added three additional required properties to the search-backend `createRouter` function to support filtering search results based on permissions. To make this change to an existing app, add the required parameters to the `createRouter` call in `packages/backend/src/plugins/search.ts`:
+
+```diff
+export default async function createPlugin({
+  logger,
++  permissions,
+  discovery,
+  config,
+  tokenManager,
+}: PluginEnvironment) {
+  /* ... */
+
+  return await createRouter({
+    engine: indexBuilder.getSearchEngine(),
++    types: indexBuilder.getDocumentTypes(),
++    permissions,
++    config,
+    logger,
+  });
+}
+```