diff --git a/CMakeLists.txt b/CMakeLists.txt
index c9a7d3f..c2244e2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -60,9 +60,10 @@ SET(SCULLY_SOURCE
 
     src/AST/ASTElement.cpp
     src/AST/ASTVisitor.cpp
+	src/AST/ParameterList.cpp
 	src/AST/Statement.cpp
-	src/AST/VariableDefinition.cpp
 	src/AST/Type.cpp
+	src/AST/VariableDefinition.cpp
 
     ${CMAKE_CURRENT_BINARY_DIR}/grammar.cpp
 )
diff --git a/grammar/grammar.y b/grammar/grammar.y
index efe35e1..227d46c 100644
--- a/grammar/grammar.y
+++ b/grammar/grammar.y
@@ -8,9 +8,10 @@
 #include "Token.h"
 
 #include "AST/ASTElement.h"
+#include "AST/ParameterList.h"
 #include "AST/Statement.h"
-#include "AST/VariableDefinition.h"
 #include "AST/Type.h"
+#include "AST/VariableDefinition.h"
 
 }
 
@@ -37,14 +38,14 @@
 
 %type program {int}
 program ::= fundefs(F).							{ std::cout << F << std::endl; }
-program ::= expr(E).							{ std::cout << E << std::endl; }
+//program ::= expr(E).							{ std::cout << E << std::endl; }
 
 %type fundefs {int}
 fundefs(A) ::= .								{ A = 0; }
 fundefs(A) ::= fundefs fundef(B).						{ A = A + B; }
 
 %type fundef {int}
-fundef(A) ::= type(T) T_IDENTIFIER(ID) params(P) T_BEGIN statements(S) T_END.	{ A = 1 + 1 + P + S; /* T ID */ }
+fundef(A) ::= type(T) T_IDENTIFIER(ID) T_LPAREN params(P) T_RPAREN T_BEGIN statements(S) T_END.	{ A = 1 + 1 + 1 + S; /* T P ID */ }
 
 %type type {Type*}
 type(A) ::= T_BOOL.								{ A = new Type("bool"); }
@@ -52,10 +53,10 @@ type(A) ::= T_INT.								{ A = new Type("int"); }
 type(A) ::= T_STRING.								{ A = new Type("string"); }
 type(A) ::= T_VOID.								{ A = new Type("void"); }
 
-%type params {int}
-params(A) ::= .									{ A = 0; }
-params(A) ::= type(T) T_IDENTIFIER(ID).						{ A = 1 + 1; /* T ID */ }
-params(A) ::= params(B) T_COMMA type(T) T_IDENTIFIER(ID).			{ A = B + 1 + 1; /* T ID */ }
+%type params {ParameterList*}
+params(A) ::= .									{ A = new ParameterList(); }
+params(A) ::= type(T) T_IDENTIFIER(ID).						{ A = new ParameterList(); A->addParameter(T, ID->getText()); }
+params(A) ::= params(B) T_COMMA type(T) T_IDENTIFIER(ID).			{ B->addParameter(T, ID->getText()); A = B; }
 
 %type statement {int}
 statement(A) ::= T_IF T_LPAREN expr(E) T_RPAREN statement(S).			{ A = E + S; }
diff --git a/inc/AST/ASTVisitor.h b/inc/AST/ASTVisitor.h
index 35ebec0..8e4ee8e 100644
--- a/inc/AST/ASTVisitor.h
+++ b/inc/AST/ASTVisitor.h
@@ -2,12 +2,14 @@
 #define ASTVISITOR_H
 
 #include "VariableDefinition.h"
+#include "ParameterList.h"
 
 class ASTVisitor {
 public:
 	ASTVisitor();
 	virtual ~ASTVisitor();
 
+	virtual void visit(ParameterList* e) = 0;
 	virtual void visit(VariableDefinition* e) = 0;
 };
 
diff --git a/inc/AST/ParameterList.h b/inc/AST/ParameterList.h
new file mode 100644
index 0000000..6209396
--- /dev/null
+++ b/inc/AST/ParameterList.h
@@ -0,0 +1,23 @@
+#ifndef PARAMETERLIST_H
+#define PARAMETERLIST_H
+
+#include "AST/ASTElement.h"
+#include "AST/Type.h"
+#include <vector>
+
+typedef std::pair<Type*, std::string> Parameter;
+
+class ParameterList : public ASTElement {
+public:
+	ParameterList();
+	virtual ~ParameterList();
+
+	virtual void accept(ASTVisitor* visitor);
+
+	void addParameter(Type* type, std::string name);
+	std::vector<Parameter> getParameters();
+private:
+	std::vector<Parameter> params_;
+};
+
+#endif // PARAMETERLIST_H
diff --git a/src/AST/ParameterList.cpp b/src/AST/ParameterList.cpp
new file mode 100644
index 0000000..de07112
--- /dev/null
+++ b/src/AST/ParameterList.cpp
@@ -0,0 +1,24 @@
+#include "AST/ParameterList.h"
+#include "AST/ASTVisitor.h"
+#include <iostream>
+
+ParameterList::ParameterList() {
+	//
+}
+
+ParameterList::~ParameterList() {
+	//
+}
+
+void ParameterList::accept(ASTVisitor* visitor) {
+	visitor->visit(this);
+}
+
+void ParameterList::addParameter(Type* type, std::string name) {
+	std::cout << "added parameter of type" << type->getName() << " and name " << name << std::endl;
+	params_.push_back(Parameter(type, name));
+}
+
+std::vector<Parameter> ParameterList::getParameters() {
+	return params_;
+}
diff --git a/src/AST/Type.cpp b/src/AST/Type.cpp
index 5504402..6c48e28 100644
--- a/src/AST/Type.cpp
+++ b/src/AST/Type.cpp
@@ -3,3 +3,7 @@
 Type::Type(std::string name) : name_(name) {
 	//
 }
+
+std::string Type::getName() {
+	return name_;
+}