diff --git a/docs/metrics.md b/docs/metrics.md
index 8668e54a7..b16698e4a 100644
--- a/docs/metrics.md
+++ b/docs/metrics.md
@@ -524,4 +524,47 @@ tracking_protection
+## qr_scanner
+
+
+
+
+ key |
+ type |
+ description |
+ data deview |
+ extras |
+ expires |
+
+
+ opened |
+ event |
+ A user opened the library |
+ link |
+ |
+ 2020-03-01 |
+
+
+ closed |
+ event |
+ A user closed the library |
+ link |
+ |
+ 2020-03-01 |
+
+
+ selected_item |
+ event |
+ A user selected a library item |
+ link |
+
+
+ item | The library item the user selected |
+
+ |
+ 2020-03-01 |
+
+
+
+
## Metrics