diff --git a/config.cpp b/config.cpp
index 8c7d72c9..e3f5012c 100644
--- a/config.cpp
+++ b/config.cpp
@@ -3527,6 +3527,8 @@ EX int config3 = addHook(hooks_configfile, 100, [] {
       addMessage(XLAT("Save the config to always use %1.", scorefile));
     });
 
+  param_i(tour::tour_value, "tval");
+
   param_ccolor(ccolor::which, "pattern");
   param_b(ccolor::live_canvas, "live_canvas")
   -> editable("apply color/pattern changes to canvas automatically", 'l');
diff --git a/tour.cpp b/tour.cpp
index 7b2c2b73..e0d80fb8 100644
--- a/tour.cpp
+++ b/tour.cpp
@@ -25,6 +25,9 @@ EX bool on;
 /** \brief should the presentation texts be shown */
 EX bool texts = true;
 
+/** \brief helps to automatize interactive presentations */
+EX int tour_value;
+
 EX string tourhelp;
 
 /** \brief index of the current slide */
@@ -35,7 +38,7 @@ EX int currentslide;
 enum presmode { 
   pmStartAll = 0,
   pmStart = 1, pmFrame = 2, pmStop = 3, pmKey = 4, pmRestart = 5,
-  pmAfterFrame = 6, pmHelpEx = 7,
+  pmAfterFrame = 6, pmHelpEx = 7, pmKeyAlt = 8, pmKeyAlt2 = 9,
   pmGeometry = 11, pmGeometryReset = 13, pmGeometryStart = 15,
   pmGeometrySpecial = 16
   };