diff -r 09adb33465e4 -r 65f51abd5fb8 c++/parameter-lister/info/globalcode/parameterLister/OutputModule.h
--- a/c++/parameter-lister/info/globalcode/parameterLister/OutputModule.h	Mon May 04 00:34:27 2015 +0200
+++ b/c++/parameter-lister/info/globalcode/parameterLister/OutputModule.h	Tue May 05 22:19:24 2015 +0200
@@ -10,7 +10,14 @@
 
 class OutputModule {
 public:
-	virtual void process(std::ostream &output, std::string &command, std::vector<std::string> &args);
+	/**
+	 * 
+     * @param output
+     * @param command
+     * @param args
+     * @return exit code
+     */
+	virtual int process(std::ostream &output, std::string &command, std::vector<std::string> &args);
 private:
 
 };