diff --git a/ewol/parameter/Interface.cpp b/ewol/parameter/Interface.cpp
index 831a7b92..e0774f1d 100644
--- a/ewol/parameter/Interface.cpp
+++ b/ewol/parameter/Interface.cpp
@@ -87,3 +87,17 @@ std::map<std::string, std::string> ewol::parameter::Interface::parameterGetAll(b
 	}
 	return out;
 }
+
+
+size_t ewol::parameter::Interface::getParameterCount() const {
+	return m_list.size();
+}
+
+ewol::parameter::Parameter* ewol::parameter::Interface::getParameterRaw(const size_t& _id) const {
+	if (_id >= m_list.size()) {
+		EWOL_ERROR("Wrong ID for parameter list. " << _id << " >= " << m_list.size());
+		return nullptr;
+	}
+	return m_list[_id];
+}
+
diff --git a/ewol/parameter/Interface.h b/ewol/parameter/Interface.h
index 38e7b975..2f3570df 100644
--- a/ewol/parameter/Interface.h
+++ b/ewol/parameter/Interface.h
@@ -70,6 +70,21 @@ namespace ewol {
 				 * @return map on the parameters
 				 */
 				std::map<std::string, std::string> parameterGetAll(bool _notIfDefault=true) const;
+			public:
+				/**
+				 * @brief Get count of parameters.
+				 * @return The number of the parameter.
+				 */
+				size_t getParameterCount() const;
+				/**
+				 * @brief Get name of a parameters.
+				 * @return _id Id of the parameter.
+				 * @return pointer on the parameter.
+				 */
+				ewol::parameter::Parameter* getParameterRaw(const size_t& _id) const;
+				
+				
+				
 		};
 	};
 };
diff --git a/ewol/parameter/List.h b/ewol/parameter/List.h
index 2516e310..784d3672 100644
--- a/ewol/parameter/List.h
+++ b/ewol/parameter/List.h
@@ -52,6 +52,10 @@ namespace ewol {
 					m_list.insert(std::make_pair(_name, _value));
 				}
 				// herited methode
+				virtual std::string getParameterType() const {
+					return "ewol::parameter::List";
+				}
+				// herited methode
 				virtual std::string getType() const {
 					return typeid(MY_TYPE).name();
 				}
diff --git a/ewol/parameter/Parameter.h b/ewol/parameter/Parameter.h
index bed366fe..e17ec009 100644
--- a/ewol/parameter/Parameter.h
+++ b/ewol/parameter/Parameter.h
@@ -35,6 +35,11 @@ namespace ewol {
 				virtual std::string getName() const {
 					return m_name;
 				};
+				/**
+				 * @brief Get the parameter type of the class in string mode.
+				 * @return The string type of the parameter.
+				 */
+				virtual std::string getParameterType() const = 0;
 				/**
 				 * @brief Get the type of the parameter in string mode.
 				 * @return The string type of the parameter.
diff --git a/ewol/parameter/Range.h b/ewol/parameter/Range.h
index 61ecc95e..7dcd9f56 100644
--- a/ewol/parameter/Range.h
+++ b/ewol/parameter/Range.h
@@ -50,6 +50,10 @@ namespace ewol {
 				 */
 				virtual ~Range() { };
 				// herited methode
+				virtual std::string getParameterType() const {
+					return "ewol::parameter::Range";
+				}
+				// herited methode
 				virtual std::string getType() const {
 					return typeid(MY_TYPE).name();
 				}
diff --git a/ewol/parameter/Value.h b/ewol/parameter/Value.h
index 263a72a1..f596c85b 100644
--- a/ewol/parameter/Value.h
+++ b/ewol/parameter/Value.h
@@ -52,6 +52,10 @@ namespace ewol {
 				 */
 				virtual ~Value() { };
 				// herited methode
+				virtual std::string getParameterType() const {
+					return "ewol::parameter::Value";
+				}
+				// herited methode
 				virtual std::string getType() const {
 					return typeid(MY_TYPE).name();
 				}