diff --git a/ege/Environement.cpp b/ege/Environement.cpp
index cc07d10..202b1f2 100644
--- a/ege/Environement.cpp
+++ b/ege/Environement.cpp
@@ -165,16 +165,16 @@ std::shared_ptr<ege::Element> ege::Environement::createElement(const std::string
 	return tmpElement;
 }
 
-std::shared_ptr<ege::Element> ege::Environement::createElement(const std::string& _type, std::string& _description, bool _autoAddElement) {
-	return createElement(_type, _autoAddElement, ege::typeString, static_cast<void*>(&_description));
+std::shared_ptr<ege::Element> ege::Environement::createElement(const std::string& _type, std::shared_ptr<std::string> _description, bool _autoAddElement) {
+	return createElement(_type, _autoAddElement, ege::typeString, std::static_pointer_cast<void>(&_description));
 }
 
-std::shared_ptr<ege::Element> ege::Environement::createElement(const std::string& _type, ejson::Value* _value, bool _autoAddElement) {
-	return createElement(_type, _autoAddElement, ege::typeJson, static_cast<void*>(_value));
+std::shared_ptr<ege::Element> ege::Environement::createElement(const std::string& _type, std::shared_ptr<ejson::Value> _value, bool _autoAddElement) {
+	return createElement(_type, _autoAddElement, ege::typeJson, std::static_pointer_cast<void>(_value));
 }
 
-std::shared_ptr<ege::Element> ege::Environement::createElement(const std::string& _type, exml::Node* _node, bool _autoAddElement) {
-	return createElement(_type, _autoAddElement, ege::typeXml, static_cast<void*>(_node));
+std::shared_ptr<ege::Element> ege::Environement::createElement(const std::string& _type, std::shared_ptr<exml::Node> _node, bool _autoAddElement) {
+	return createElement(_type, _autoAddElement, ege::typeXml, std::static_pointer_cast<void>(_node));
 }
 
 
diff --git a/ege/Environement.h b/ege/Environement.h
index f1006ec..009ff02 100644
--- a/ege/Environement.h
+++ b/ege/Environement.h
@@ -177,10 +177,10 @@ namespace ege {
 			 * @return nullptr if an error occured OR the pointer on the element and it is already added on the system.
 			 * @note Pointer is return in case of setting properties on it...
 			 */
-			std::shared_ptr<ege::Element> createElement(const std::string& _type, bool _autoAddElement=true, enum ege::property _property=ege::typeNone, void* _value=nullptr);
-			std::shared_ptr<ege::Element> createElement(const std::string& _type, std::string& _description, bool _autoAddElement=true);
-			std::shared_ptr<ege::Element> createElement(const std::string& _type, ejson::Value* _value, bool _autoAddElement=true);
-			std::shared_ptr<ege::Element> createElement(const std::string& _type, exml::Node* _node, bool _autoAddElement=true);
+			std::shared_ptr<ege::Element> createElement(const std::string& _type, bool _autoAddElement=true, enum ege::property _property=ege::typeNone, std::shared_ptr<void> _value=nullptr);
+			std::shared_ptr<ege::Element> createElement(const std::string& _type, std::shared_ptr<std::string> _description, bool _autoAddElement=true);
+			std::shared_ptr<ege::Element> createElement(const std::string& _type, std::shared_ptr<ejson::Value> _value, bool _autoAddElement=true);
+			std::shared_ptr<ege::Element> createElement(const std::string& _type, std::shared_ptr<exml::Node> _node, bool _autoAddElement=true);
 		public:
 			class ResultNearestElement {
 				public:
diff --git a/ege/elements/Element.h b/ege/elements/Element.h
index 8cef1b6..71f06fe 100644
--- a/ege/elements/Element.h
+++ b/ege/elements/Element.h
@@ -54,7 +54,7 @@ namespace ege {
 			 * @param[in] _value pointer on the value type
 			 * @return true, the element is corectly initialized.
 			 */
-			virtual bool init(enum property _property, void* _value) {
+			virtual bool init(enum property _property, std::shared_ptr<void> _value) {
 				return false;
 			};
 			virtual bool unInit() {