diff --git a/scripts/UI/Core/inkCompoundWidget.reds b/scripts/UI/Core/inkCompoundWidget.reds
new file mode 100644
index 00000000..3bbf6f68
--- /dev/null
+++ b/scripts/UI/Core/inkCompoundWidget.reds
@@ -0,0 +1,4 @@
+@addMethod(inkCompoundWidget)
+public func GetChildIndex(child: wref<inkWidget>) -> Int32 {
+    return ArrayFindFirst(this.children.children, child);
+}