diff --git a/include/interfaces.h b/include/interfaces.h
index 03cd81a..0749ffe 100755
--- a/include/interfaces.h
+++ b/include/interfaces.h
@@ -1691,6 +1691,14 @@ public:
         // nr = 1..8
 
 
+    virtual void lock_triggerUpperSolenoid(void) const =0;
+
+    virtual void lock_triggerLowerSolenoid(void) const =0;
+
+    virtual void doors_supervise(void) const =0;
+
+
+
 
 signals:
     virtual void hwapi_templatePrintFinished_OK(void) const=0;
@@ -1707,9 +1715,19 @@ signals:
     virtual void hwapi_payStopByError(void) const=0;
     virtual void hwapi_payStopByTimeout(void) const=0;
     virtual void hwapi_payCancelled(void) const=0;
-
     virtual void hwapi_coinProcessJustStopped(void) const=0;
 
+
+    // new from 2023.06.12
+    virtual void hwapi_doorServiceDoorOpened(void) const=0;
+    virtual void hwapi_doorVaultDoorOpened(void) const=0;
+    virtual void hwapi_doorCoinBoxRemoved(void) const=0;
+    virtual void hwapi_doorCoinBoxInserted(void) const=0;
+    virtual void hwapi_doorCBinAndAllDoorsClosed(void) const=0;
+    virtual void hwapi_doorAllDoorsClosed(void) const=0;
+
+
+
 };
 
 
@@ -1741,7 +1759,10 @@ signals:
 //#define HWINF_iid "Atb.Psa1256ptu5.software.HWapi/3.3"
 //#define HWINF_iid "Atb.Psa1256ptu5.software.HWapi/3.4"
 //#define HWINF_iid "Atb.Psa1256ptu5.software.HWapi/3.5"
-#define HWINF_iid "Atb.Psa1256ptu5.software.HWapi/3.6"
+//#define HWINF_iid "Atb.Psa1256ptu5.software.HWapi/3.6"
+//#define HWINF_iid "Atb.Psa1256ptu5.software.HWapi/4.0"
+#define HWINF_iid "Atb.Psa1256ptu5.software.HWapi/4.1"
+