1 files changed, 4 insertions, 0 deletions
diff --git a/dom/webidl/IDBTransaction.webidl b/dom/webidl/IDBTransaction.webidl
index 1bb52ff448..83d0edbcbf 100644
--- a/dom/webidl/IDBTransaction.webidl
+++ b/dom/webidl/IDBTransaction.webidl
@@ -23,6 +23,10 @@ enum IDBTransactionMode {
 interface IDBTransaction : EventTarget {
     [Throws]
     readonly    attribute IDBTransactionMode mode;
+
+    [Throws]
+    readonly    attribute IDBTransactionDurability durability;
+
     [SameObject] readonly attribute IDBDatabase db;
 
     readonly    attribute DOMException?      error;