diff --git a/dawn.json b/dawn.json
index 3d8f070983..fe3bf9eb94 100644
--- a/dawn.json
+++ b/dawn.json
@@ -1831,7 +1831,16 @@
     },
 
     "render bundle": {
-        "category": "object"
+        "category": "object",
+        "methods": [
+            {
+                "name": "set label",
+                "returns": "void",
+                "args": [
+                    {"name": "label", "type": "char", "annotation": "const*", "length": "strlen"}
+                ]
+            }
+        ]
     },
 
     "render bundle encoder": {