diff --git a/xknx_custom_panel/__init__.py b/xknx_custom_panel/__init__.py
index f565f50..fa809f8 100644
--- a/xknx_custom_panel/__init__.py
+++ b/xknx_custom_panel/__init__.py
@@ -1 +1,8 @@
 """Custom panel for the KNX integration."""
+import os
+
+
+def get_knx_ui() -> str:
+    """Get path to KNX UI."""
+    return os.path.dirname(os.path.realpath(__file__)).replace("__init__.py", "knx_ui.js")
+