diff --git a/src/blackmisc/simulation/matchingscriptmisc.cpp b/src/blackmisc/simulation/matchingscriptmisc.cpp
new file mode 100644
index 000000000..a2d0c782d
--- /dev/null
+++ b/src/blackmisc/simulation/matchingscriptmisc.cpp
@@ -0,0 +1,30 @@
+/* Copyright (C) 2019
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
+ * or distributed except according to the terms contained in the LICENSE file.
+ */
+
+#include "matchingscriptmisc.h"
+
+namespace BlackMisc
+{
+    namespace Simulation
+    {
+        //! Enum as string
+        const QString &msToString(MatchingScript ms)
+        {
+            static const QString r("Reverse lookup");
+            static const QString m("Matching stage");
+            static const QString d("Unknown");
+            switch (ms)
+            {
+            case ReverseLookup: return r;
+            case MatchingStage: return m;
+            default: break;
+            }
+            return d;
+        }
+    } // namespace
+} // namespace
diff --git a/src/blackmisc/simulation/matchingscriptmisc.h b/src/blackmisc/simulation/matchingscriptmisc.h
new file mode 100644
index 000000000..8e18bf15c
--- /dev/null
+++ b/src/blackmisc/simulation/matchingscriptmisc.h
@@ -0,0 +1,54 @@
+/* Copyright (C) 2019
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
+ * or distributed except according to the terms contained in the LICENSE file.
+ */
+
+//! \file
+
+#ifndef BLACKMISC_SIMULATION_MATCHINGSCRIPTMISC_H
+#define BLACKMISC_SIMULATION_MATCHINGSCRIPTMISC_H
+
+#include "blackmisc/simulation/aircraftmodel.h"
+#include "blackmisc/blackmiscexport.h"
+
+namespace BlackMisc
+{
+    namespace Simulation
+    {
+        //! Matching script type
+        enum MatchingScript
+        {
+            ReverseLookup,
+            MatchingStage
+        };
+
+        //! Enum as string
+        BLACKMISC_EXPORT const QString &msToString(MatchingScript ms);
+
+        //! Return values
+        struct MSReturnValues
+        {
+            //! Ctor
+            MSReturnValues(const BlackMisc::Simulation::CAircraftModel &model) : model(model) {}
+
+            BlackMisc::Simulation::CAircraftModel model; //!< the model
+            bool modified  = false; //!< modified?
+            bool rerun     = false; //!< rerun that matching part?
+            bool runScript = false; //!< did we run the script
+
+            //! Did run the script with modified result
+            bool runScriptAndModified() const { return modified && runScript; }
+
+            //! Did run the script and re-run requested
+            bool runScriptAndRerun() const { return rerun && runScript; }
+
+            //! Did run the script, modified value and re-run requested
+            bool runScriptModifiedAndRerun() const { return modified && rerun && runScript; }
+        };
+    } // namespace
+} // namespace
+
+#endif // guard