diff --git a/Action.cpp b/Action.cpp
new file mode 100644
index 0000000..ee5828a
--- /dev/null
+++ b/Action.cpp
@@ -0,0 +1,42 @@
+#include "Action.h"
+using namespace mmm;
+
+Action::Action() {
+	parameters.clear();
+	parametersIterator = -1;
+	parametersEndIndicator = true;
+}
+
+Action::~Action() {
+	parameters.clear();
+	parametersIterator = -1;
+	parametersEndIndicator = true;
+}
+
+void Action::insertParameter(std::string param) {
+	parameters.push_back(param);
+	if(parametersEndIndicator) {
+		parametersEndIndicator = false;
+	}
+}
+
+std::string Action::getNextParameter() {
+	if(parametersIterator+1 < parameters.size()) {
+		parametersIterator++;
+		return parameters[parametersIterator];
+	} else {
+		parametersEndIndicator = true;
+		return "";
+	}
+}
+
+void Action::resetParametersIterator() {
+	parametersIterator = -1;
+	if(parametersEndIndicator) {
+		parametersEndIndicator = false;
+	}
+}
+
+bool Action::parametersEnd() {
+	return parametersEndIndicator;
+}
diff --git a/Action.h b/Action.h
new file mode 100644
index 0000000..1725be1
--- /dev/null
+++ b/Action.h
@@ -0,0 +1,34 @@
+#ifndef _ACTION_H
+#define _ACTION_H
+#include <vector>
+#include <string>
+/// \file Action.h
+/// \brief A base class for 3m actions.
+/// \author Phitherek_
+/// \date 2013
+/// \version 0.1-pre
+
+/// \namespace mmm
+/// \brief A global namespace for 3m.
+namespace mmm {
+/// \class Action
+/// \brief A base class for 3m actions.
+class Action {
+protected:
+	std::vector<std::string> parameters; ///< Action parameters.
+	int parametersIterator; ///< Parameter list iterator.
+	bool parametersEndIndicator; ///< Indicates if the parameter list iterator has reached end of the list.
+public:
+	Action(); ///< A constructor.
+	~Action(); ///< A destructor.
+	void insertParameter(std::string param); ///< \brief A function that inserts parameter to action' s parameter list.
+	///< \param param Parameter to insert.
+	std::string getNextParameter(); ///< \brief A function that gets next parameter from the parameter list.
+	///< \return Next parameter from the parameter list.
+	void resetParametersIterator(); ///< A function that resets iterator of parameter list.
+	bool parametersEnd(); ///< \brief A function that returns if parameter list iterator is at the end of the list.
+	///< \return True if parameter list iterator is at the end of the list, false otherwise.
+	virtual void run() {} ///< A virtual function that executes the action.
+};
+}
+#endif
diff --git a/OBJECTS b/OBJECTS
index b31f6d2..7c2a6f1 100644
--- a/OBJECTS
+++ b/OBJECTS
@@ -9,7 +9,7 @@ ModListDescription: name, server, modlistPath x
 ModInfoDescription: name, server, modinfoPath x
 ModInfo: ModInfoDescription, vector<ModDescription> x
 ParameterParser: actionList, argc, argv
-Action:
+Action: x
 SyncAction
 InstallAction
 UpdateAction