diff --git a/src/protocols/MyGrowthModel/mygrowthmodel.h b/src/protocols/MyGrowthModel/mygrowthmodel.h
new file mode 100644
--- /dev/null
+++ b/src/protocols/MyGrowthModel/mygrowthmodel.h
@@ -0,0 +1,57 @@
+/*
+ *
+ * This file is part of the Virtual Leaf.
+ *
+ * The Virtual Leaf is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * The Virtual Leaf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with the Virtual Leaf. If not, see .
+ *
+ * Copyright 2010 Roeland Merks.
+ *
+ */
+
+#include
+#include
+#include
+#include "simplugin.h"
+
+class Mygrowthmodel : public QObject, SimPluginInterface {
+ Q_OBJECT
+ Q_INTERFACES(SimPluginInterface);
+
+ public:
+ virtual QString ModelID(void);
+
+ // Executed after the cellular mechanics steps have equillibrized
+ virtual void CellHouseKeeping (CellBase *c);
+
+ // Differential equations describing transport of chemicals from cell to cell
+ virtual void CelltoCellTransport(Wall *w, double *dchem_c1, double *dchem_c2);
+
+ // Differential equations describing chemical reactions taking place at or near the cell walls
+ // (e.g. PIN accumulation)
+ virtual void WallDynamics(Wall *w, double *dw1, double *dw2);
+
+ // Differential equations describing chemical reactions inside the cells
+ virtual void CellDynamics(CellBase *c, double *dchem);
+
+ // To be executed after a cell division
+ virtual void OnDivide(ParentInfo *parent_info, CellBase *daughter1, CellBase *daughter2);
+
+ // To be executed for coloring a cell
+ virtual void SetCellColor(CellBase *c, QColor *color);
+
+ // Return number of chemicals
+ virtual int NChem(void);
+};
+
+// finis