diff --git a/src/starformation/schaye08/starformation.h b/src/starformation/schaye08/starformation.h
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+++ b/src/starformation/schaye08/starformation.h
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+/*******************************************************************************
+ * This file is part of SWIFT.
+ * Copyright (c) 2018 Folkert Nobels (nobels@strw.leidenuniv.nl)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *******************************************************************************/
+
+#ifndef SWIFT_SCHAYE_STARFORMATION_H
+#define SWIFT_SCHAYE_STARFORMATION_H
+
+/* Starformation struct */
+struct star_formation {
+  
+  /* Normalization of the KS star formation law */
+  double A;
+
+  /* Slope of the KS law */
+  double nks;
+
+  /* Critical density */
+  double rho_crit;
+
+  /* Critical temperature */
+  double T_crit;
+
+  /* Ratio of the specific heats */
+  double gamma;
+
+  /* gas fraction */
+  double fg;
+
+  /* Star formation law slope */
+  double nstar;
+
+  /* star formation normalization of schaye+08 */
+  double Astar;
+  
+};
+
+
+/* Brief initialization of the star formation law 
+ * 
+ * */
+static void starformation_init_backend(
+    
+    ) {
+  /* Default values for the normalization and the power law */
+  static const double normalization_default = 2.5e-4;
+  static const double KS_power_law = 1.4;
+
+
+  
+}
+
+/* @brief Prints the used parameters of the star formation law 
+ *
+ * */
+static void starformation_print_backend(
+
+    ){ 
+  message("Star formation law is Schaye and Dalla Vecchia (2008)"
+  " with properties, normalization = %e, slope of the Kennicutt"
+  "-Schmidt law = %e, gamma = %e, gas fraction = %e, critical "
+  "density = %e and critical temperature = %e", starform->A, 
+  starform->nks, starform->gamma, starform->fg, starform->rho_crit,
+  starform->T_crit);
+
+}
+
+
+#endif /* SWIFT_SCHAYE_STARFORMATION_H */
+
+