Index: simulator/plugins/createtreatment/loader.py
===================================================================
diff -u -r587822f6461dce6f46302875b09abb552532f698 -r967521dff94783ce48b50abc8db6bcd67bb501bf
--- simulator/plugins/createtreatment/loader.py	(.../loader.py)	(revision 587822f6461dce6f46302875b09abb552532f698)
+++ simulator/plugins/createtreatment/loader.py	(.../loader.py)	(revision 967521dff94783ce48b50abc8db6bcd67bb501bf)
@@ -9,7 +9,7 @@
 # parent
 from simulator.dynamicloader import DynamicLoader
 # hd Simulator
-from dialin.ui.hd_simulator import HDSimulator
+from simulator.interface import SimulationInterface
 from dialin.ui.hd_simulator import RequestRejectReasons
 # plugin specific
 # -- None --
@@ -31,8 +31,8 @@
     spnUFVolumeRejectReason: QtWidgets.QSpinBox
     sldUFVolume: QtWidgets.QSlider
 
-    def __init__(self, hd_simulator: HDSimulator):
-        super().__init__(os.path.dirname(__file__), hd_simulator)
+    def __init__(self, interface: SimulationInterface):
+        super().__init__(os.path.dirname(__file__), interface)
 
     def _init_loader(self):
         """
@@ -74,7 +74,7 @@
         the slot for accept button
         :return: none
         """
-        self.hd_simulator.cmd_send_treatment_parameter_manual_validation_response([
+        self.interface.hd.cmd_send_treatment_parameter_manual_validation_response([
             1,
                0, 0, 0, 0, 0,
             0, 0, 0, 0, 0, 0,
@@ -90,7 +90,7 @@
         """
         reason = self.spnCreateRejectReason.value()
         print(reason)
-        self.hd_simulator.cmd_send_treatment_parameter_manual_validation_response([
+        self.interface.hd.cmd_send_treatment_parameter_manual_validation_response([
             reason,
                1, 1, 1, 1, 1,
             1, 1, 1, 1, 1, 1,
@@ -105,7 +105,7 @@
         :return: none
         """
         volume = self.sldUFVolume.value()
-        self.hd_simulator.cmd_send_uf_treatment_response(True, 0, volume)
+        self.interface.hd.cmd_send_uf_treatment_response(True, 0, volume)
         self.lblCreateAction.setText('Accepted ')
 
     @Slot()
@@ -116,5 +116,5 @@
         """
         reason = self.spnUFVolumeRejectReason.value()
         volume = self.sldUFVolume.value()
-        self.hd_simulator.cmd_send_uf_treatment_response(False, reason, volume)
+        self.interface.hd.cmd_send_uf_treatment_response(False, reason, volume)
         self.lblCreateAction.setText('Rejected ' + "{}".format(reason))