# Microsoft.AspNetCore.Components.RenderTree

``` diff
 namespace Microsoft.AspNetCore.Components.RenderTree {
     public readonly struct RenderTreeFrame {
-        [System.Runtime.InteropServices.FieldOffsetAttribute(8)]
-        public readonly int AttributeEventHandlerId;

+        [System.Runtime.InteropServices.FieldOffsetAttribute(32)]
+        public readonly object ComponentKey;
+        [System.Runtime.InteropServices.FieldOffsetAttribute(24)]
+        public readonly object ElementKey;
+        [System.Runtime.InteropServices.FieldOffsetAttribute(32)]
+        public readonly string AttributeEventUpdatesAttributeName;
+        [System.Runtime.InteropServices.FieldOffsetAttribute(8)]
+        public readonly ulong AttributeEventHandlerId;
     }
 }
```

