diff --git a/app/datamodel.cpp b/app/datamodel.cpp
index c9abb23..388d68e 100755
--- a/app/datamodel.cpp
+++ b/app/datamodel.cpp
@@ -26,4 +26,9 @@ DataModel::DataModel()
     Kennfeld_Entfeuchtung = Kennfeld_Entfeuchtung_Default;
 
     Kennfeld_Ueberhitzung = Kennfeld_Ueberhitzung_Default;
-}
\ No newline at end of file
+}
+
+void* DataModel::CurrentData(void)
+{
+    return nullptr;
+}
diff --git a/app/datamodel.h b/app/datamodel.h
index ee7afdf..ee12bc3 100755
--- a/app/datamodel.h
+++ b/app/datamodel.h
@@ -11,7 +11,7 @@ Copyright:   Binder GmbH TUT
 Purpose:     Definitions, constants used by the datamodel are collected here
 Notes:       [Any relevant details, such as dependencies, usage examples, or known issues.]
 */
-
+#include <QList>
 #include "dataset.h"
 
 
@@ -69,6 +69,8 @@ private:
          {1.00, 0.80, 0.60, 0.50, 0.40, 0.35, 0.30, 0.25, 0.20},
          {1.00, 0.80, 0.60, 0.50, 0.40, 0.35, 0.30, 0.25, 0.20},
          {1.00, 0.80, 0.60, 0.50, 0.40, 0.35, 0.30, 0.25, 0.20}};
+
+     void* CurrentData(void);
 };