diff --git a/dcs/frames/__init__.py b/dcs/frames/__init__.py
new file mode 100644
index 0000000..4e5dd51
--- /dev/null
+++ b/dcs/frames/__init__.py
@@ -0,0 +1,21 @@
+#  SPDX-License-Identifier: MPL-2.0
+#    Copyright (c) 2022 Philipp Le <philipp@philipple.de>.
+#  This Source Code Form is subject to the terms of the Mozilla Public
+#  License, v. 2.0. If a copy of the MPL was not distributed with this
+#  file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
+from typing import List, Type
+from . import base
+
+
+def get_windows() -> List[Type[base.Window]]:
+    return [
+    ]
+
+
+def get_groups() -> List[Type[base.Group]]:
+    return base.get_groups(get_windows())
+
+
+def get_win_of_group(grp: Type[base.Group]) -> List[Type[base.Window]]:
+    return base.get_win_of_group(get_windows(), grp)