diff --git a/function/__init__.py b/function/__init__.py
index 307425c..60b9f86 100644
--- a/function/__init__.py
+++ b/function/__init__.py
@@ -39,6 +39,9 @@ class all_functions(object):
         #
         # Interactions
         #
+        # shelly dirk input 1
+        self.last_gfw_dirk_input_1 = None
+        self.gfw_dirk.main_light_shelly.add_callback(devices.shelly.KEY_INPUT_1, None, self.gfw_dirk_input_1)
         # input device
         self.init_input_device_sleep_madi_functionality()
         # Circulation pump
@@ -64,6 +67,12 @@ class all_functions(object):
         self.common_circulation_pump.main_light_shelly.add_callback(
             devices.shelly.KEY_OUTPUT_0, None, self.ffe_kitchen.flash_main_light)
 
+    def gfw_dirk_input_1(self, device, key, data):
+        if self.last_gfw_dirk_input_1 is not None:
+            if self.last_gfw_dirk_input_1 != data:
+                self.gfw_floor.toggle_main_light(device, key, data)
+        self.last_gfw_dirk_input_1 = data
+
     def devicelist(self):
         if self.__devices__ is None:
             self.__devices__ = []