diff --git a/include/hwapi.h b/include/hwapi.h
index b9b58f3..ea64981 100644
--- a/include/hwapi.h
+++ b/include/hwapi.h
@@ -1318,6 +1318,10 @@ public:
         // countOfBills: array of up to 16 sums,    countOfBills[0]=nr of 5€-bills in stacker
         //                                          countOfBills[1] for 10€   and so on
 
+    bool cash_isCollectionStarted(void) const override;
+
+
+
     // download device controller
     bool dcDownloadRequest(QString const &fileToDownload) const override;
     bool dcDownloadRequested() const override;
@@ -1355,9 +1359,9 @@ public:
     virtual QObject const *getAPI() override;
 
 signals:
-    void hwapi_reportDCDownloadStatus(QString const&) const;
-    void hwapi_reportDCDownloadSuccess(QString const&) const;
-    void hwapi_reportDCDownloadFailure(QString const&) const;
+    void hwapi_reportDCDownloadStatus(QString const&) const override;
+    void hwapi_reportDCDownloadSuccess(QString const&) const override;
+    void hwapi_reportDCDownloadFailure(QString const&) const override;
 
     void hwapi_templatePrintFinished_OK(void) const override;
     void hwapi_templatePrintFinished_Err(void) const override;