diff --git a/CHANGELOG.md b/CHANGELOG.md
index 780ff644..3c8ef986 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 # Change Log
 
+- nodejs: key in referenceData
 - nodejs: change reference source
 - php: using a repo with a list of formats
 - nodejs: using a repo with a list of formats
diff --git a/web/documentserver-example/nodejs/app.js b/web/documentserver-example/nodejs/app.js
index d8b1abd2..4efb50a4 100755
--- a/web/documentserver-example/nodejs/app.js
+++ b/web/documentserver-example/nodejs/app.js
@@ -521,6 +521,7 @@ app.post('/reference', (req, res) => { // define a handler for renaming file
 
   const data = {
     fileType: fileUtility.getFileExtension(fileName).slice(1),
+    key: req.DocManager.getKey(fileName),
     url: req.DocManager.getDownloadUrl(fileName, true),
     directUrl: req.body.directUrl ? req.DocManager.getDownloadUrl(fileName) : null,
     referenceData: {