diff --git a/src/ATBAPP/DeviceControllerInterface.h b/src/ATBAPP/DeviceControllerInterface.h
index 7217a9f..8ff33ed 100644
--- a/src/ATBAPP/DeviceControllerInterface.h
+++ b/src/ATBAPP/DeviceControllerInterface.h
@@ -104,6 +104,9 @@ public slots:
     virtual void reboot() = 0;
     virtual void reset() = 0;
 
+    virtual void requestDiag() = 0;
+
+
 
 signals:
     void printTicketFinished(nsDeviceControllerInterface::RESULT_STATE resultState,
@@ -213,7 +216,7 @@ signals:
 
 
 Q_DECLARE_INTERFACE(DeviceControllerInterface,
-                    "eu.atb.ptu.plugin.DeviceControllerInterface/1.2.1")
+                    "eu.atb.ptu.plugin.DeviceControllerInterface/1.2.2")
 
 
 namespace nsDeviceControllerInterface {